Top Definition
when you fart and there is a fifty fifty chance you may shit yourself. if you crap your pants you lose a fifty fifty.
i was laying in bed the other night and thought i only had to fart. i was worried i could lose a 50/50. i let it go and was a big loser.
by poopmypants December 10, 2008
5 Words related to lose a 50/50

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