When two (females) going ass-to-ass and pressing, bumping, rubbing or slamming their asses together.
It's often sexually related, of the who's got the sexiest or biggest butt/ass/booty.
(competitive)
A white woman with a big booty.
A black woman with some ass-status challanging her on a assfight.
by ShastaBlackBiatch March 10, 2008
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