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1.An expression you use to tell a person to stop bragging who claims victory before a brawl,race,match,competiion or any other event that has yet to happen.
Kevin: let's see who has the speed to make it to the finish line quicker.

Eric: Man I got this,I'm gonna murk your ass!!

Kevin: Don't wipe your ass before you shit Eric ;it's not over till is over.

Eric:10 bucks I get a better grade in my physics test?

BeHa: Man you always say that but you always fail,don't wipe your ass before shit!!!!

Jack: Yo Eric you ain't beating noone shut upp!!!

Mick: Yea don't wipe your ass before shit!!!
by BeHa January 30, 2011
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