gamble on a fart
-verb: to venture a game on the chance of an unintendid defecation when passing gas.
I tried to gamble on a fart and lost, i.e. I meant to fart and accidentally pooped in my pants.
Gamble fart
The calculated risk of either an epic fart or shitting your pants.
Charlie: That was the best Enchilada of my life.
Nicole: Brace yourself, gamble farts are coming.
Nicole: Brace yourself, gamble farts are coming.