1 definition by Catherine, KFUNK, Paige

v. to fart so powerfully that a small, round turd shoots out of your butthole and instantly leaves a giant stain on the back of your pants ...unless it is unusually firm. in that case, it just makes a small hole in your trousers.
"dude, paige just cannonballed all over her new levis!"
by Catherine, KFUNK, Paige May 16, 2006
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