1 definition by kill-o-wattz

Top Definition
One being of a bad-ass stance. O.B.A. is slang for "Official Bad-Ass." This term can be used to congratulate one for being recognized as an official bad-ass.
Wow, you just ate a whole pineapple, you are totally an O.B.A.
by kill-o-wattz May 14, 2008

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