
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/2771966.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Supernatural
  Relationship:
      Dean_Winchester/Sam_Winchester, Dean_Winchester_&_Sam_Winchester
  Character:
      Sam_Winchester, Dean_Winchester
  Additional Tags:
      Wincest_-_Freeform, Incest, Sibling_Incest, Panty_Kink, Crossdressing,
      Crossdressing_Kink, slutty_sam, Dirty_Talk, Underage_Sex, Riding, Anal
      Plug, Butt_Plugs, Feminization, Barebacking, Implied/Referenced_Cheating,
      Weecest
  Series:
      Part 10 of Tumblr_Prompts
  Stats:
      Published: 2014-12-14 Words: 2481
****** Small And Dirty ******
by MissKatherine
Summary
     Sam tried to reconcile with Dean after making him mad by wearing sexy
     costumes and talking dirty.
After fifteen years of feeling like a freak, for today, Sam's normal. The kind
of normal that makes a girl look at him and smile, then walk up to him and ask
if he's free Friday night to go watch a movie together. He's a little
dumbstruck, which makes him half drool before being able to close his mouth and
say yes.
When he's home Dad is there, and he says he'll only be here for few hours
before leaving again. Sam isn't really surprised. He's almost glad, because now
he can go on that date without having to explain himself to Dad, and he gets to
be alone with Dean. Because that has been a little hard lately, considering how
Dad thinks nineteen year old Dean still needs to be checked on by the
neighbors. Having a clueless housewife come at every meal time to make sure
they're eating can be proven difficult when Dean is trying to make Sam cum
using only his fingers.
At lunchtime Dean convinces Dad to call off the neighbor patrol, using his 'I'm
and adult' voice and Dad just doesn't want to argue so he agrees.
Friday is here two days later and Dean is at work at the gas station few miles
outside of town, the movie should end before Dean's shift so Sam isn't that
worried about being found out. He is worried about the sweat pouring down his
forehead so he showers and spends a little too much time trying to find
something decent to wear before leaving the house and walking to the movie
theater two blocks away. He's too nervous about his first date but he doesn't
want to show it because Lily, that's the girl's name, looks like she's done
this before.
Dean is back home about half an hour early and the only thing on his mind is
pulling his cock out and riding Sammy's mouth. But when he gets in, the house
is empty, he shrugs off his jacket and his shoes, looking around for any sigs
of Sammy. "Sammy, your ass better be out here and ready because 'M planing on
ridin' it all weekend long." He walks to the kitchen and finds it empty. But
that doesn't get him worried, at least not until he searches the two bedroom
and also finds them empty.
————————————————————
"You went on a fuckin' date?! A date, Sammy, as in 'You're single' and you're
fuckin' not."
"No, it wasn't a date, Dean I swear. I would never do that, please." Sam was
already standing too close to Dean and when he pushed one more step, Dean
stepped back without even looking at Sam. Sam's shoulder lowered in defeat "I'm
sorry, De—"
"No Sam, you're sorry when you pay attention to your homework more than me, or
eat the last slice of pizza, not when you go on a date with some chick!" He
exclaimed and stormed out of the house.
All it took was one worried wave and he left the house looking for Sammy, he
even stopped to ask if the neighbors saw him and the lady next door said he
left about two hours ago. So Dean runs in the direction the lady pointed at and
he finds Sam standing outside the movie theater with the crowd and a blondie is
standing way too close for comfort. And Dean can't even find the right emotions
so he just walks away but by then, Sam already saw him and is running after
him. Dean tries to ignore Sam the entire walk home but Sam's "Please, listen."
and "Wait, Dean let me explain." Started getting on his nerves so he all but
yells "Shut up." And leaves Sam frozen on the side walk for few minutes.
Dean is home few minutes before midnight, and the house is just the way he left
it, and now it's dark. Like Sam wasn't even home to turn on the lights. And
that sets him off because he wanted Sam to practically suffer in his absence.
But apparently Sam's doing just fine. He probably went out to finish his date
with that girl. But again, it's midnight, so Sam shouldn't even be out. Dean
calls out for him with annoyance and he doesn't get an answer. He walks into
the living room and looks at the turned on TV. "I swear to fuckin' God Sam, if
you're not home, cheating's gonna be the least of your proble—"
"I'm here." Sam voice comes from somewhere behind Dean.
Dean looks around, wants to see where Sam is hiding but it's too dark and he's
a little drunk.
"And I didn't cheat." There's Sam's voice again, but no Sam.
"Yeah, and I didn't drink." Dean is talking to himself but Sam hears him
because there's suddenly a rush on air from where Sam is running towards him.
"Please tell me you didn't sleep with some chick? Please Dean, I swear it
wasn't date. Just—tell me you didn't sleep with anyone." He's all but begging,
with that sweet voice and shiny eyes.
"Calm down, my dick didn't leave my pants." He seems unsatisfied with that. He
walks back and throws himself on the couch, eyes on the TV but not really
watching it.
Sam just stands there, like he's waiting for something to magically to happen.
Like Dean's forgiveness. Or just his attention.
Dean looks up to where Sam's standing and the light from the TV shines against
his smooth skin, and boy, there's a lot of skin.
Sam's barely wearing anything. Just a plaid mini skirt, that looks like it
would fit a five year old girl. And it's showing white silky skin underneath,
just long legs and skinny thighs. Dean swears he can almost see Sam's
underwear. And he's sure he can see the huge tent making the skirt ride up in
the front. But his eyes travel up and he sees the white button up shirt that's
been knotted in a twisty way right under Sam's alleged tits. And there's a lot
of stomach showing, no hair in sight, just baby sooth skin that shouldn't
belong to a fifteen year old.
"Jesus Fuck Sammy." Dean doesn't realize that he's reaching for Sam until his
baby brother is walking towards him and standing right between him and the TV.
And fuck the TV because it can never show something this sexy.
"I'm sorry, Dean, I just wanted to go out with normal kids, I didn't wanna
upset you." Sam explains softly as he looks down to Dean, who's not paying
attention to anything other than the mini skirt.
Dean's fingers run over the fabric so lightly like it'll break if he touched
it. But he's just too hard to think straight. And he's too horny to pay
attention to his dick. If that makes sense. Because all he wants to do right
now is--
"Gonna eat you out so good, baby boy. Make you beg for my cock. And I'm not
gonna give it to you until you learned your lesson."
Is that supposed to be hot? Sam's not sure but he's too turned on by it to
care. Dean just promised to turn Sam into his little cock slave and that
settles too well with Sam that it freaks him a little. He nods his head because
what else is he supposed to say. But that's a lie because there's a lot running
through his mind right now and he wants to say it. Because his dirty mouth
can't help it. His breathing picks up when Dean has each hand on Sam's cheeks
and be parts them, exposing that sweet little hole.
But it truth he just exposed the little plug head and the stretch makes Sam
whine and his hands grab Dean's shoulders for support. His eyes close when Dean
pulls his cheeks further apart, not knowing what he's doing to Sammy's little
hole. "Please punish me, De, promise I'll take it. I'll take anything, drive
your hard cock in me, my little hole is so hungry for it. Need that big cock so
bad, please big brother." He's whining like a little bitch in heat but it's
what he does best so he pushes his ass back to get Dean to touch him and pull
the plug out because it's been inside him for three hours and he's dying.
"Turn around baby boy, wanna see that sweet tiny hole, your tight little
pussy." Dean isn't sure of the amount of blood in his brain but he knows it's
very little because he's in some soft of trance just from staring at Sam's
outfit.
Sam's sure now that he's losing it because Dean just called his asshole a pussy
and that turned him red in all the right places. He feels his cock jerk and he
might cum in the next two seconds.
"Naughty little slut, wearing something like that." He turns Sam around
suddenly but he's stronger and it's easily done. Sam is automatically bend
over, like he was born in this position, and he's met with pink cotton. Sam's
little pink panties underneath the barely-there skirt, Dean gives Sam a smack
on the ass just to show his frustration because that little piece of fabric is
the only thing standing between his cock and his favorite place in the world.
He finally pushes them side with his index hooked on the elastic line to sees
the head of the plug sticking out of the pink stretched hole. "Fuck." He hisses
and just the memory of the last time he had his cock in there reminds him of
how hard he is. "Keep yourself open." He orders and Sam brings his hand back to
part his cheeks, one hand holding the panties to the side. Dean doesn't take
two seconds to free his cock and he gives it few strokes without taking his
eyes off Sam's hole.
"Hurry, please please, gimmie that cock, pull it out and fuck me hard, my
little pussy is so wet for you." He looks over his shoulder and sees what he's
done to his brother. Eyes almost too dark, wide and hungry, he's looking at Sam
like he's a feast and Dean's a starving man. Sam pushes his ass back towards
Dean's face. "C'mon De, been waiting for so long, can't take it anymore need
something bigger, filling me up, stretching my pussy. Wanna cum on your cock,
your big, hard, think cock. Nothing fills me up like you, wanna feel it in my
stomach. Think you can do that, huh De? Think you can fuck my boy pussy so hard
and deep I'll feel your cock in my tummy? Bet it'll feel so fuckin good—" Sam's
slutty mouth is shut and instead he's moaning a scream when Dean suddenly pulls
the plug fast from his ass.
"Gotta learn to shut up baby boy, or you'll give me a heart attack." Dean
spanks Sam's ass again just for show but it's still hard nonetheless and he
sits back on the couch, resists rubbing his cock again because he'll cum before
even feeling Sam's hole around him. "Sit on my cock baby, C'mon, if you wan'it
so bad, ride it." He looks at Sam, who's still looking back over his shoulder.
And Dear God, that fucking expression says it all.
Sam doesn't say anything, just brings his hips down and tries his best to
position his abused hole over Dean's massive cock, Dean grabs his waist and
slams him down in one swift motion that makes Sam scream like a dying man.
"Like that baby? Like being my dirty little girl? Gonna use your pussy all
night long, not even gonna touch your cock, girls can cum just from having
their pussy fucked, right?" Dean really believes there isn't much blood going
to his brain because Sam's the one who usually talks filth when he's getting
fucked because he can't help it. But being inside that velvet, smooth, hot,
tight hole can do wonders.
Sam is bouncing on Dean's cock like his life depends on it. "Yes! Yes! Fuck
yes! Wanna be your little whore, C'mon De, fuck me like a slut. Rip open my
pussy! Oh fuck, love that cock, fuckin' love it. Wanna bounce on it all the
time, wanna ride it 'til you fuck my hole inside out. Dean! Harder, fuck me
harder. God, fuck yeah! So fuckin deep."
It's usually when the talking stops, Dean knows that he hit Sam's sweet spot,
so he holds Sam's hips tight and fucks up into the tight heat. "Shit, just like
that baby, hold still. Let big brother fuck you nice and hard." He's mumbling
to himself with his eyes glued to where his cock is disappearing into Sam's
ass. Dean brings his hands up when Sam wouldn't keep still and holds both his
arms with a death grip, sticking them to Sam's side as he thrust up as fast as
he can. And he knows Sam likes it rough so every bruise he'll leave will
probably make Sam smile like an idiot for the rest of the week.
"Fuck!" He chocks out. "Hold me down and fuck me Dean, please, make me take
your cock." He whines with his head turned back to look at Dean, his voice is
almost gone because he's in a state of bliss whenever Dean takes control like
this.
Dean throws him on the couch next to him, face down and flat, and he lies on
top, doesn't even bother for a warning before sticking his cock inside again
and hearing Sam scream. His hands are on each side of Sam's face and he's
breathing is right against Sam's shoulder blade, he wants to take his scent as
much as he can but his brutal rhythm and Sam's continuous clenching is making
it impossible to do anything other than fuck harder.
Sam's cock rubs again the wet fabric of the panties and he's close, he's almost
there but he just needs Dean to--
"Such a little whore, fuckin taking it so good. My cock filling you nice and
hard? Like it Sammy? You little cockslut."
Sam cums with a chocked "Yes" and clenches his ass so tight that he milks Dean
with him. Dean arches his back and keeps thrusting because Sam is so
unbelievably tight until he can't take it anymore and slumps down on top of
Sam's spent body. They both pant hard Sam sighs with a goofy smile on his face.
"If I knew you'd fuck me so hard, I would've pretended to cheat on you long
ago."
"Next time I see you with a girl Sammy, your ass won't service." Dean growls in
his ear and smirks at the shiver that run down Sam's spin.
He can't wait to see Sam with another girl again.
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