1 definition by yuuy78

Top Definition
Originating from charlie sheen, it is to be:
A: bi sexual
B: bi polar
C: one who has a situation with two good outcomes
Yeah, he didn't except the fact that he doesn't do well dumping people so he hit his girlfriend BIWINNING

How is that good?

Well he can either not have to dump her she'll break up, or he can hit her ugly ass now.
by yuuy78 March 01, 2012

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