bust ass

when somebody lets out a disgustingly huge fart; this is usually announced.

"Whoa shit you guys! Back up! I'm about to bust ass"

by britt October 31, 2003

bust ass

To fall real hard on ones ass.

Leslie slipped and busted her ass

by Pea December 30, 2003

bust ass

to rip an unprecdentedly large fart, one that sounds like a large plane has just flown overhead

also see busting ass

past tense: busted ass

"Hold on to your hats everyone, I have to bust ass"

"Damn, it sounds like a grizzly bear growling in here! No, it was just dad busting ass again"

"My ol' man busted ass so hard it woke me up!"

by weeze November 16, 2004

bust ass

A woman whose breast cleavage looks like someone's buttocks.

Damn, wigga! Your woman's gotta bust ass. You best keep her off the beach.

by fucwad April 25, 2004

busting ass

To bust someone's ass. To severely beat them in a particular activity. Often used when speaking about sports.

Damn, Chris Paul just hit another And 1. He is busting ass right now.

by packman889 April 25, 2011

bust ass

As a noun: a fart; as a verb: to fart, or sometimes to involuntarily emit a spray of fecal matter.

I busted ass can you smell it

by Anonymous June 18, 2003

bust ass

Slang terminology for the word fart.
1) To bust ass.
2) The act of busting ass.
3) To have busted ass.

1) Fuck, I gotta bust ass.
2) I just busted ass!

by Phill McRacken January 13, 2003