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The act of being a worthless, annoying, prick who is slightly nerdy and/or dorkish.
Dude1: Hey man did you hear that jacob is dating Katy.

Dude2: Yeah he's a Nipple Fart
by someone7877 January 30, 2011
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An involuntary release of gas coming from a magical hole in your pruney purple nipples.
" oh shit he was feeling me up and then i had a nipplefart. totally killed the mood"
by shlizzard January 07, 2010
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Last night Trisha let me do a nipple fart on her! It was so hot I almost splooged myself!
by spanishclass1 December 08, 2017
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