bust ass

to fart; passing gas; flatulating
I was sitting on the couch with my girlfriend when all of a sudden she busted ass. It smelled like a dead animal.

i needed to bust ass so bad while I was waiting in line at the bank, but instead I waited until I was outside and finally let one rip.
by TheMaskedPhantom November 12, 2012
mugGet the bust assmug.