To have to go number 2.
To poop.
To make naughty water.
Brennen had to go bust a grumpy, becuase he'd tried to move and built up enough bodily waste to kill an elephant.
having an orgasm, especially when one has an angry-looking o-face
After getting 20 minutes of head, he would bust a grumpy all over her face
When Grumpy the fifth Dwarf has decided to over-consume his thanksgiving dinner and bursts. His whole booty has become tooty.
She bust a grumpy
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.
Tom:"Dude, I'm gonna bust a grumpy!"
Walter:"Oh, no! Wait!"
Tom:*Farts*
Walter:"Oh, man! Everybody watch out, Tom's bustin' grumpies!"
Most commonly used in reference to flatulence. Specifically refers to the act of expelling acutely pungent methane gas out of one's butt.
It was the combination of 3 large bean burritos, 2 Red Bulls and a large pickled ghost pepper that caused Jordan to bust a grumpy.
Passing a large usually unwilling stool that is rocky hard and very large.
Joban: I gots to go bust a grumpy before i shit my pants.
Jovan: Make sure you dont miss the bowl again.
having to take a crap.
Dude, I have gotta bust a grumpy.