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Exterior hind side of the body..
Example: You better bring yo ass back over here before I beat ya!....
by Fenakee November 14, 2002
an answer to any question that annoys you in any way (can be linked with the subject of the question)
ex 1: (what's the time?) yo' ass o'clock.
ex 2: (what's your name?) yo' ass.
ex 3: (... what do you think?) YO' ASS.
by Piece_of_Flint June 26, 2006
the act of being a smart ass
what happened? yo ass
by twizchz March 04, 2011