The aroma one has after recently engaging in sexual activity. Usually the scent of sweaty balls, ass and vagina.

Note: Your partner may enjoy this smell. Your co-workers do not.
Jay - Hey Onya...Why are you so late to work?

Onya - Oh I was busy...

Jay - Ew..wha...What is that smell. You smell like sex...No. You smell like afterfuck!

Onya - Okay...So like I said...I was BUSY!
by dirtynap December 31, 2008
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the second girl of the night you had sex with, as if it was an afterthought.
i had sex with lucy and cindy tonight. cindy was really just an afterfuck though
by dreadtoad January 28, 2010
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the person you would actually want to talk to or cuddle with after having sex, as opposed to the person you actually want to have sex with
Alan's body is gross, but he would be a good afterfuck.
by raffster772 January 26, 2011
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Someone who afterfucks way too often.
- Hey, dude, what's that smell?

- I fucked a girl last night and then I fucked another girl.

- You, afterfucker!
by Kea Van Embs April 7, 2010
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The Afterfuck Shutdown is when after cumming in a girls face if she decides to stay the night, you turn off the gas and electric and water,throw her clothes outside, and tell that stanky booty bitch get the fuck out of my territory.
Girl : "hey baby that was nice mind if i stay i'm too drunk to leave".
boy: "ok sure go in the bathroom and get cleaned up".
boy; *runs downstairs grabs flashlight and turns off everything then proceeds to take her clothes and throw them out onto the open sidewalk*.
girl: "what the fuck was that for??'
boy : "get the fuck out bitch you aint sleeping here"!
girl: "no wonder you are alone and nobody loves you.. you're probably one of those creeps that use urban dictionary and jacks off to tentacle porn all day".
The Afterfuck Shutdown
by AniyahTheFatFuck November 6, 2013
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