Top Definition
A girl whose lack of worth is not outweighed by the fact that she is willing to offer her rectum for hard anal penetration.
Jenna's the kind of buttskank who staggers home from frat parties dripping cum out the asshole.
by katey December 12, 2004
butt-skank is an insult,
it means disgusting, filthy, ass.
omg that guy is a buttskank
by evil September 17, 2004
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