Disclaimer:I don't own any of the characters featured in this fic, it's just a bit of fun, don't sue me!

Title: Better off Dumb

Rating(s):NC-17

Warning(s):Consensual Incest, Underage (Sam is16), Bad Language, Alcohol and Angst.

Prompt(s):I would like to claim- cuadette prompt- Okay, this one would be angsty in the sense that... there will be angst. Dean's sneaking around on night trying to steal one of his dad's condoms when he and (under aged) Sam are trying to have sex for the first time. They've done "other" stuff but this time they decided to go all the way. John catches him and figures it out and all hell breaks lose.

A/N: Thank you to my brilliant friend and most-of-the-time beta

000

Part 1

It started with a drunken kiss, Sam had turned 16 and Dean being Dean decided that Sam needed to lighten up and have his first proper drink. Sam was popular, nice friends and one or two girls that crushed on him but really he felt distance between him and the rest of the world and all the hype about his "Sweet Sixteenth" just made him feel old and even more isolated from his peers.

It didn't get past Dean that his brother was moping, he'd being trudging round the semi-livable place they were renting so Sam could go to school before they could move on in the Christmas holidays.

"What are you doing Dean?" Sam asked his tone irritated and his face twisted in what Dean knew was his "bitch face" as he pulled out a bottle of Jack from the grocery bag and a party size bag of Peanut M&Ms.

"You little brother are going to get shit faced on your birthday, like every other self respecting 16 year old and you're going to Goddamn well enjoy it." Dean answered with a self satisfied smirk on his face as he strutted over to the phone and punched in the number for the local pizza place.

"Dean no! You enjoy yourself with that man but I'm going to get my homework done and have an early night." Sam started for the door only to be yanked back into the kitchen and shoved into a chair, Dean landed on top pinning him into the chair as he ordered an extra large pepperoni with fries, trying not to laugh his ass off as Sam whined and wriggled.

"Your an asshat you know that!" Sam huffed, his bottom lip jutting out as Dean put the phone back into the cradle and took out two glasses from the cupboard above the oven.

"Awww c'mon Sammy, you love me really. Anyway stop being a moody bitch and drink up the night is young and it's your birthday don't be such a buzz kill. Besides I got you the good stuff." Dean grinned as he poured the amber liquid, the glass was half full and the smell of whiskey was already strong when Dean tipped his glass and smiled "Cheers".

By the time the bottle was empty they were both laid out on the living room floor.

Dean had a pleasant buzz thrumming through his body, Sam was blushing scarlet and trying to stifle the little drunken giggles that kept bubbling in his throat.

The T.V was a low murmur in the background and the air was heavy with the aroma of pizza grease, whiskey and pine air freshener.

Dean didn't realize that they were so close until he felt Sam's breath hot and wet against the flesh of his neck. The stickiness of Sam's liquor slicked lips tugged into a lazy smile against Dean's rapidly escalating pulse.

"You're so g'd to me De" Sam slurred his breath wet as he wobbled up onto his pointy elbows, one of Dean's old shirts slipping off his muscle rounded shoulder. It tickled Dean when he felt the tips of Sam's impossibly soft hair brush across his jaw and Sam's cheek pressed flush heated against the scratch of his stubbled cheek.

"You're so drunk" Dean murmured into Sam's hair, the crushing need to tangle his hands in the soft waves as Sam's lips brushed heavy against his cheek bone, clumsy and without purpose as he softly kissed Dean's eyelids.

Sam's hair was soft and laying across Dean's face like a veil of golden brown, Dean's head was screaming stop, wrong, no more but his skin felt the silent secret of worship, Sam's hot lips skimming and pressing against the coarse shadow of stubble, the heavy scent of Sam's apple shampoo filling his head like cotton as he felt his own breath humid against his lips.

"I know wha- I want De" Sam breathed against the shell of his ear, Dean's skin was practically on fire, that wasn't his Sammy's voice, it was Sam's voice, animal and deep, like liquid sex and ruff lust.

"What's that then?" Dean's voice wobbled, low and unsteady with the tightening coil of molten heat that had curled in the pit of his belly, his jeans had become too tight as he felt the hot rush of whiskey breath humid against his lips.

The only answer he got were lips on his own, it wasn't soft and nervous, just clumsy and drunk, heavy and wet with tongue, the clash of teeth and background music of swallowed moans.

Dean didn't realize that his hands had tangled in Sam's hair until he felt the locks wound round his fingers, strong and soft on his fingertips as he arched up into Sam's mouth, his tongue pushing hard and heavy into the whiskey sweetness.

By the time they both parted for air, they were rutting for friction. Sam's chest heavy against his own, every point and ripple of muscle in Sam's body mirrored his own as he felt the hard line of their cocks make blissful contact through the ruff denim.

It was quick and messy, half kissing and breathing into each other as Dean ran his hands over the quivering planes of Sam's back soothingly, coming down from the high of orgasm against the hard carpet and the endless black of Sam's glazed eyes.

They didn't remember how they ended up in Dean's bed, only that they were there in the morning and something deep down was different, like they'd seen each other for the first time.

It wasn't long after that they started to seek each other out. It was usually Sam sneaking into Dean's bed, sliding his long slim body flush against his brothers muscular back, searching fingers learning and skimming over Dean's chest, down the line of his abs, slipping under the elastic waistband of his boxers, wrapping hot fingertips around the heated base of his shaft.

Sam always came first, biting down on Dean's shoulder trying to muffle the sob and moan of release rutting against the curve of his ass, which only pushed Dean over the edge, spilling hard and sticky into his little brothers fingers.

But the lines were blurring fast. New light was flooding both their views on each other.

Sam could be wearing a pair of Dean's boxers, the elastic band of them peeking over the lip of his low hanging jeans and Dean would have to think about rotting corpses in dug up graves so he wouldn't pull Sam against him in public, kiss that soft hot mouth.

The Christmas holidays came and they soon were back on the road, ducking into gas station bathrooms for quick hand jobs and messy kisses, pressed up against the cool sheets of steal and their mouths tasting like cheap coffee and microwave burritos.

When Spring hit, John managed to call in a favor and they ended up staying in an abandoned bungalow on the outskirts, the place smelt like mold and forgotten memories as Sam started salting the windows.

2 bedrooms and one of them had a stained mattress, they didn't bother trying to name what the stain was just flipped it and covered it over with the gray worn blanket from the backseat of the Impala. John went to the local bar and Sam got his first blow job under the covers.

After Dean still complained that he could smell the mattress