An operation performed by Buttgina surgeons which creates a single passageway between butt and vagina!
Danny: I wish i could slam my girlfriend in the ass and watch my cock come out her vagina.

Alex: Well my friend, she needs a buttgina!
by Jarmeister November 28, 2011
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The area in-between the anus and the genitalia. Also known as the choad
DAYUMN BOY! You have a hairy buttgina! You need that shit waxed!
by AnDDreWWW March 23, 2004
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