Butt Piston

n: When one is fucking a girl in the ass and she flatuses and the penis is ejected with gas pressure.

Timmy was fucking this girl in the ass when she farted and turned his penis into a Butt Piston.

Butt Piston by Trees DT November 29, 2009

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Related Words

Butt Piston • Butt • butt pirate • Butt nugget • butt slut • butt-load • BUTT ROCK • butt buddies • butt nut • Butt Baby