The phrase "bust a grumpy" is used to refer to anything that is excreted through the anus, including both gas and feces. To properly bust a grumpy, one must abide by the following rules:
-Claim that he or she is going to "bust a grumpy"
-Excrete something (be it solid, liquid, or gas) from the anus.
-Claim that he or she is going to "bust a grumpy"
-Excrete something (be it solid, liquid, or gas) from the anus.
Tom:"Dude, I'm gonna bust a grumpy!"
Walter:"Oh, no! Wait!"
Tom:*Farts*
Walter:"Oh, man! Everybody watch out, Tom's bustin' grumpies!"
Walter:"Oh, no! Wait!"
Tom:*Farts*
Walter:"Oh, man! Everybody watch out, Tom's bustin' grumpies!"
by Losgunn February 4, 2008

by ROCCO1 May 28, 2003

Some company that uses shallow soft-porn marketing in advertisements on urban dictionary to sell t-shirts.
by tea chest February 16, 2006

by TitBuster3000 November 28, 2017

To make a U-turn or turn the opposite way on a street or do switch up your previous stance on a person, place or thing. Philly slang. Notably used in Meek Mill's "We Ball"
I drove right past main man crib I had to bust a uie.
She aint want me when we was in high school, she wanted older niggas with baby dreads driving Crown Vics. Now she bust a uie she feeling a nigga.
She aint want me when we was in high school, she wanted older niggas with baby dreads driving Crown Vics. Now she bust a uie she feeling a nigga.
by From Da P September 17, 2021

by Kemp_Dover September 12, 2023

by DrizzleMo June 28, 2012
