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bunnysbrainrot · 1 year ago

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Size Matters

Kinktober Prompt: Size kink

Relationship: Sam Winchester x Reader

Content: Explicit sexual scenes, oral (f receiving), creampie (wrap it up, kids), dirty talk, rough sex, dom Sam, fluffy/funny aftercare (it’s crucial)

Summary: Your plan for making the boys dinner goes awry, leaving you alone with Sam in his bedroom, and coming to terms with a kink that only Sam Winchester can fulfill.

A/N: 🤭

"C'mon,' you strain, reaching for a high shelf in the cabinet. Apparently Sam and Dean didn't find a need for a stepladder in the bunker. Your calves screech in protest as you reach for a jar of pasta sauce, your fingers brush the bottle, but not enough purchase to grab it.

A long arm reaches above your head, grabbing the sauce in a large, familiar hand. Sam hands you the jar with a smile.

You took it from his hands and chide, "Not everyone's as vertically gifted as you and your brother, you know. Y'could be more inclusive and invest in a stepstool."

He leans against the counter you'd been setting ingredients on. Sam's eyes scan over your form as you open the pasta sauce.

"You know you can ask us for help, right?"

"I was gonna make dinner for us, I didn't want to make you guys help me," you reply Sam stands fully now and looks over your shoulder. You crane your neck to look up at him, "How's the weather up there?"

Sam chuckles lightly, "You know, I could tease you about your height. It'd be pretty easy."

You turn back to the counter and place freshly-washed vegetables on a cutting board. Unsheathing a knife from the knife block, you keep conversation with Sam.

"I don't have a problem with being short," you bump your hip sideways into Sam's leg. He does the same to you, except the direct strike in the ribs knocks you off balance, stumbling over.

He's able to snatch you up to safety before you bust your ass on the floor. Now cradled in Sam's arms, a rush of comfort comes over you in his stable grip. His hands catch your waist, with his long fingers spreading broad across your torso. Fuck, together they could probably go around most of your waist, and those fingers...

You snap out of your stupor to find Sam smiling down at you. His eyes linger on yours long enough for your mind to wander, wondering who would lean in first. Stolen glances at each other's lips, hitched breath, low-lidded eyes, it was a perfect concoction for Sam to kiss you.

Beneath him, you're so delicate in his arms, as if you'll break if he isn't careful. It was in his own reflexes to catch you, but the feelings that rushed through him afterwards were something deeper. Almost instinctive that in any moment with you like this, hushed and ogling, would lead to something more. Forget dinner, he thought, he could just order something for delivery.

At least, after he's done with you.

"Sam," you whisper. Maybe you hadn't been paying attention, but his face is now just inches from your own.

He finds himself leaned over further, close enough to share the same air, breaths mixing.

You smile nervously, and to your relief Sam gives one of his own. But he doesn't break away - doesn't help you to your feet to cut vegetables for the dinner you were kindly making for him. It couldn't matter much now that he's holding you like this.

"Sorry," he replies, barely audible. You wave your hands in dismissal and place them around his neck. The air shifts as the movement brings you ever closer, your lips no more than three inches away from Sam's.

"It's okay," you whisper. Soft, hazel eyes wander over your face and flicker to your lips, seemingly stuck there until Sam takes a risk he'd been waiting for.

Relief washes over you when his lips meet yours. After all this time, it turns out that he had the guts to break this tension, and everything that had been bottled up could now overflow. You let a deep hunger overtake your body, purely going on instinct as Sam embraces you. Sam sighs into your kiss and swallows a moan it drew from your throat, whiny and eager.

Sam nips at your bottom lip, tugging at it tentatively with his teeth. You do the same in response, only harder. Testing the waters. Usually a dangerous game, especially with a Winchester.

Your hands had made their way to his broad shoulders - his lean muscles flexing and stretching as he moves his hands over you, meandering from your waist, spanning from your shoulder blades to the top of your ass. His fingers toy with the fabric of your clothes, like he was trying to unwrap a present too early and didn't want to rip the packaging.

“Not here,” Sam says, his words slurring like a love-drunk fool, “Can’t do this here.”

He breaks the kiss and leaves you panting for more; there's a new darkness in his stare, one that makes you shudder. You give him a smile, wiggling in his grip to the pasta sauce jar, and shut it closed.

“What about dinner?”

You raise an eyebrow at him, “You seem like you have other plans.”

He was caught red handed, but you weren’t declining the advances. If anything you spurred them on as much as he did.

Sam slowly releases you from his grip, setting you stably on your feet. Not once have his eyes left you, even if you weren’t paying attention - Sam was set on this goal, you’d given him the ‘yes’ he needed, and he intended to make good on his commitment.

Patience was wearing thin for Sam. He ogles at the sight of you bent at the waist, putting the pasta sauce and veggies back in the fridge. The curve of your ass sucks him in whole, as if there were nothing else in the room.

A hand settles on your ass from behind, cupping and kneading gently. You let out a shuddering exhale before standing and turning to Sam.

The softness of your voice surprises you, “Where do you want me?”

The ball was in his court. Sam looks you over coolly, his hands kept to themselves in his pants pockets. Your eyes drift lower and pause on the large bulge in Sam’s pants, straining slightly against his thick jeans.

“My bedroom,” he said plainly.

—

There was little time to brace yourself for Sam’s next move. You're pressed against the wall before you can protest, although you wouldn’t dare object to this.

Sam grips the backs of your thighs and lifts you up, wedging your hips with his own, keeping you steady. A new hardness presses against your core as Sam juts his hips into you, pure instinct taking over his movements. His cock twitches in his jeans - he needs to watch his cock sink into you, to watch your face contort in bliss when he bottoms out in your pussy.

There was nothing small about Sam Winchester - he's a Goliath of a man, towering over you at any given time, with thick broad muscles that send a rushing heat to your sex. If your intrusive thoughts ever won, you were sure he could toss you around like it was nothing.

But now, you didn’t have much choice but to stay pinned to the wall, where you and Sam both grind your hips desperately, letting out lilted moans and grunts against each other’s skin.

The friction on your swelling clit was rough and warm, with Sam's cock perfectly nestled atop your drenched slit. Each rough push shot pleasure through your core, but it wasn’t enough for your aching cunt.

“If you need me to stop, you tell me, okay?” he emphasized. You shook your head at him. You wouldn’t break so easily, but if anyone were to shatter you apart, it could happily be Sam.

Your lips found his ear, after staining yourself up his long torso, “I’m not gonna break that easily, don’t worry.”

“Oh, yeah?” his voice deepened as his lips found your neck, eagerly nipping at your skin and making you whine. "Let's test that theory."

You gripped the hem of your shirt and shimmied it over your head, casting it to the floor carelessly.

Sam’s eyes trail over your chest, still beautifully bound by your bra. Their softness served as an undeniable invitation for his mouth to lower. He dips his head to greedily nip and suckle at the supple skin, leaving red and purple splotches in his wake.

You grip at his hair, urgently tugging him closer, as if the direct contact could never be enough to satisfy. Each of your soft moans is echoed with a low groan from Sam’s chest. He had doubled over, completely encapsulating you in his clean scent, now thick with a lustful musk.

Two fingers found the band of your bra, unclipping it with the utmost ease, and cast it to the floor with your shirt. Through panting breaths, Sam works off his shirt, though his lips have no hesitation to return to your exposed chest, and found a pebbled nipple between his teeth, rolling and biting to bring out a symphony of moans from the both of you.

Your hands lunged for the waistband of your pants. Sam took notice and sighs happily against your skin, his warm breath like a gentle wave across everything you'd exposed to him. Above you, Sam grew more unhinged with each passing second, grabbing and biting and kneading your flesh like a man starved.

Sam's lips capture yours once more in a tangle of tongues and teeth, exploring one another as if it was your only chance to do so. His tongue grazed the roof of your mouth, swallowing a deep moan that erupts from deep within your chest. He assesses your position and grows frustrated. It would be difficult to remove your, or his, pants without risking dropping you to the floor.

As quickly as you'd been slammed into the wall, Sam tosses you onto his bed, but stays standing at its foot, his hands reaching for his belt buckle. All else in the room vanished as you watch him remove the thick denim, shoving it down his legs to the floor. His cock strained against his boxers, throbbing and twitching to be free.

"Those," Sam nodded his head to your pants, "off."

The sudden dominance springs you into action. Your hands fly to your waistband and wiggle them off of your hips, down your thighs, and kick them away. Your soaked panties act as your final barrier, barring you from what you so badly needed.

Sam returns to his hunched position over you, letting his hands rove over your exposed thighs and ass, pawing at you greedily. You reach down to the band of his boxers, and slip your fingers under the elastic, inching them down until you felt a resistance against it - Sam's cock fights against the removal, straining your short arms until Sam reaches down to aid you.

The head of his cock springs up to smack against your covered core. You gasp softly at its warmth, your neglected cunt tightens around nothing of substance, an empty hole aching to be filled with something substantial.

"Feel." This was Sam's only order as he tugs your hand down to his length, coaxing you to wrap your small fingers around the middle of his shaft.

He's thick and warm against your palm, with a thick vein creeping up its underside to the tip. Your mouth waters at the way his cock twitches eagerly in your hand, and you slowly begin to pump along his length, making Sam hiss through his teeth.

Sam's voice is lower than you'd ever heard; it sends a heat directly to your teased pussy, now bracing against the base of Sam's cock. Its length covers most of your abdomen, casting your body in its silhouette in the dim lamplight of the room.

"Jesus..." he remarks wistfully, trailing a free hand up to his tip, pressing into the soft flesh of your belly.

Beneath him like this, Sam can finally see the scale of his cock to your insides, mapping out precisely where he'll settle inside of you. You whine softly as his cock drags another stroke over your soaked folds - the abrasion from your underwear was no longer tantalizing, but rather a nuisance.

His breathing becomes ragged, "I need to taste you."

The words shudder through you as Sam's lips work through the valley of your breasts, showering kisses along your middle, and finally he settles between your thighs. Sam places a kiss atop your clit, still kept out of sight by your soaked panties. Two fingers hook into the waistband and tug downward, sliding the soiled garment off of your shaky legs and to the floor behind him.

Cold air strikes your slit as Sam pries it open with two thick fingers, teasing at your aching hole, spreading the wetness around your cunt.

"Are you always this wet when you think about me?" his voice tremors through you. You nod quietly and hold your breath as Sam's head dips lower. All you can see is his rich brown hair cascading over your belly before warmth spread through your core, leaving you moaning at his first touch.

With the way his tongue teased at your clit, Sam may as well have set you ablaze. Your skin radiated a warmth unlike no other, rolling in waves as the cold of the air shocked your most sensitive areas.

"Sam," you whine, carding your fingers through his soft locks. You tug on him gently to push him further.

He pays no mind to your plea, and instead wraps his toned arms under your thighs, pulling your pussy flush against his thick tongue. It flicks your clit perfectly, and pairs with his lips as he suckles on the sweet bundle of nerves.

The taste of you makes Sam groan, his cock straining against the mattress beneath him. Above him, your moans and cries are a siren song, calling him to the bottomless sea of his desire. He pictures what lies ahead - you, sprawled on the bed, blissed out from his tongue and cock, sated and sleepy from a relentless pounding.

That image is pasted in his mind as he laps at your cunt, occasionally dipping his tongue into your tight entrance, and tasting your innermost parts. You arch your back at his touch, sighing his name like a prayer. His restless tongue toys with your hardening clit as pressure builds in your belly.

Sam creates a rhythm on your clit that sends you unfurling under his touch, mewling and whining and moaning slurred versions of Sam and please and need you. But he refuses to give more. Not until he can taste your release directly on his tongue.

The tightness in your belly snaps, breaking you apart until you're crying Sam's name against your hand, clasped firmly against your mouth. His tongue lolls over your clit even still, skyrocketing the shockwaves of the orgasm and making you whimper. Your slick coats his tongue and fills Sam's senses. All there is is you, your sounds, and your delicious cunt.

"Fuck," mumbles Sam, his voice reverberating through your convulsing sex, clamping down onto nothing.

You whine in response. All thought and sense had escaped your mind, now shattered and cast off to a void in the back of your mind. Sam laps up your juices and swallows, savoring every last drop your body had to offer.

The cold air of the room kisses your exposed cunt as Sam rises to his knees, his heavy cock bobbing above your abdomen.

"So small," he remarks, lining his cock over your stomach and admiring just how much of your body he'd overtake.

You'd surely be sore for days afterward, which sent a flush of pride through his chest. His cock ached to carve you hollow - to leave you gaping after a thorough fucking, to shape your pussy perfectly for him.

His hips rear back as he positions himself with your wet hole, shining with your slick, beckoning him inside. Sam's eyes meet yours when he notches the head of his cock past your entrance, surveying your expressions as he slowly filled you out. The girth of his cock could practically split you down your middle, stretching your little pussy to wrap perfectly around his shaft.

"God, you're so fuckin' tight," Sam groans, ogling at his own cock as it spread your pussy open. His hands press against the backs of your thighs and push them toward your chest, angling himself so the both of you could share the view.

He sighs, "Look at that - such a big cock, stretching out your tiny pussy, just for me."

Astonishment, teasing, and lust filled his tone, and something else. Something more primal that has your walls fluttering around Sam's cock.

You gape at the sight of his cock entering you, and you finally come to terms with exactly just how big he is. Your pussy is stretched blissfully wide, swallowing his length with earnest. Sam slams his hips and strikes deep, the head of his cock brushing against your cervix.

Each thrust is harsher than the last and all you can do is stare at the brutality your pussy is being subjected to. You cry out as Sam's cock crashes into you, every time, without fail.

At this point, there's no hiding the reality of what's behind Sam's bedroom door. If Dean, or anyone else, heard you, let them. Bliss overcomes your senses and dulls all rationality in your muddled mind.

There is nothing else that matters - just the overwhelming size of Sam Winchester and his remarkable cock.

He whispers your name like a summons, meeting his eyes with yours as he presses your body into the mattress. A hand presses into your tummy. Sam gasps softly and takes your hand to replace his own.

"Feel that?" his purrs, pressing onto your hand to deliver some pressure. As he thrusts in you can feel a shift in your insides, until you feel a firm strike of the head of his cock against you palm.

You look to him with wide eyes and find a wicked smile plastered on his face.

Sam crouches over you, enveloping you with his large size, encasing your body with his. He leans toward your ear, "Can you feel it up here, baby? Because I can. I can feel how tiny your cunt is before I go in and stretch it out."

He pushes deeper, to let you really feel it, "I can feel how you try to fit me, and how just tight you're getting, 'cause you're gonna cum, aren't you?"

A dumb nod follows his question, making his grin widen across his lips. No words form on your lips, only shaky wanton moans reply to his commentary.

"I know, sweetheart, feels good," Sam coos, slowing down his movements to draw out a raw cry from your throat. His cock drags through your walls until its head is all that remains, and slams in harshly.

Your cry is on the verge of a scream, but Sam does not relent. There is no plea to stop or slow down, because this is all you'd been dreaming of - to feel a comforting helplessness under someone far larger, to be at their disposal and usage.

A growl leaves his throat, "So fucking small... I bet you feel like you could break, huh? With my cock this deep inside you, your little pussy can barely take any more, can it?"

Your walls clench around him in reply, pulling Sam in deeper until his balls slap against your ass, now pairing with the obscene squelching of your abused pussy.

Between the lilting moans and quieted pleas from your perfect mouth, Sam issn't sure how much longer he can last. He vows to himself that he will not give in to it yet, not until he feels it. He needs to feel the way you wrap around his cock when you cum.

He needs to be the reason you finish, this time and each orgasm after.

"You've been waiting for this. You've wanted this the whole time - someone big and strong to pound your little pussy 'til you can't stand. Because you want a thick cock splitting you open." Sam stammers through the last few words - his own comments are bringing him closer to the brink, but you've already reached yours.

You shudder around him harshly as your orgasm hits you full-force, leaving you no room to ride it out as Sam's pace quickens. His breath hitches at the sensations flowing through his throbbing length - he hisses when you clench around his sensitive tip, leaving his gasping as he fucks you faster. Harder. Deeper.

His cock plunges into your cunt, hitting that same spot in your tummy as he mentioned before. Sam's hand presses against your abdomen, adding a glorious pressure that has you climaxing again in a matter or seconds.

"Thaaaat's it, attagirl," he encourages. "Such a tight little cunt, but she takes me so well."

The words flow through you like fire, sending you over the brink once again and leaving you whimpering beneath him. Sam smirks, knowing he's doing his job right, he has you exactly where he wants you, pinned, helpless, and impossibly full.

"Please... S-Sam," you whisper.

He laughs, pounding you so roughly you can barely brace for the slam against your cervix, "Can't handle it, can you, baby? I thought you said you don't break easily."

Your soft cries reach his ears as you slip into that thoughtless void of your mind, moaning with each strike.

Sam's lips brush over the shell of your ear, "You think you're so strong, but I'll break you. I'll have your cunt so bruised you can't think about anything else - only me, because this pussy is mine, do you understand?"

A reply doesn't come, only the sounds of your moans fill his ears. Sam delivers a harsh slap to your ass, thrusting his cock as deep as he could manage. You let out a long moan but still don't reply.

"Who's pussy is this?"

The words form on your lips and fall out feebly, "Y-yours."

He kisses your forehead, but does not let his hips falter, "That's right, angel. All mine."

Pressure builds in his abdomen, his balls growing tight as his own release crept up from behind. Sam nips at your earlobe, his words clang through you with a primal desire.

"And since this pussy's mine, I'm going to fill it."

The swift relentless pace resumes, crashing into your hips to verge on soreness, your tight cunt still wrapping perfectly around him, and Sam's name falling past your slacked mouth. Sam's eyes screw shut as his own orgasm finally approaches, and his cock begins to twitch.

He unsheathes his cock from your warm walls, aiming directly at your now gaping pussy. Sam pumps himself fervently as his cum spurts from his cock, right into your stretched hole. You stare in awe as his cum seeps into your cunt, the angle of your hips inviting it all in.

Sam hisses, "Keep it all in there."

You pant as you try to recover yourself, but Sam plunges his cock into you again, making you let out a low, drawn-out moan. He strikes as deeply as before, his movements are urgent, borderline predatory, insistent to have you bred nicely.

"Keep it in there, and don't you dare fucking waste it."

His movements start to slow - the thrusts are languid and gentle until Sam finally pulls himself out of your abused pussy. He grips your thighs and lowers them until you can finally breathe freely again, gasping in the cool, refreshing air.

"There you go. Deep breaths, honey," Sam coaxes, running his hands along your sore hips, massaging gently into the aching flesh. You do as you're advised and calm your breathing, inhaling deeply and exhaling slowly. Sam did the same until he slumped into the mattress next to you, groaning into the sheets.

You smile lazily at him, "You okay over there?"

Sam nods into the bed, still letting out a low groan, "Y'fuckin' drained me."

Pride wells in your chest. You giggle at him, earning you a playful slap on your thigh. Your giggle turns into a hearty laugh before you nestle next to Sam, eyes fluttering shut with fatigue. He takes notice and nudges you.

"Bathroom, no UTI's for us today."

You retort, "Sam, I don't think I can even walk properly right now."

He shifts and rises from the bed, scooping you into his arms and lifting you to his chest. Your laughs echo around the room as Sam Winchester takes you to the bathroom, ever the gentleman.