when someone farts in someone face but more than gas comes out
sherly:what did you do with you boyfriend suzy

suzy: he gave me a musty milton

sherly:ewww

Suzy: i love that shit
by the diddler ? May 5, 2008
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A dirty ass mother fucker bitch, that comes to a restaurant right before it closes.
Can you believe this musty custy just came in here?
by Bill Bundles March 27, 2015
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A Morbidly obese child who smells like shit and cannot get layed or even talk to women successfully. as a result of that he is a very violent motherfucker and repeated says the word "nigga" even though he is white. a "Musty Brown" will talk a lot of shit but when it comes down to fighting all he knows is the legendary move the "WINDMILL" what a fag right?
Austin:"MAAAAAh i was smoking all dat good weed nigga"

Kyle: "Man shut the fuck up Musty Brown"
Austin: " MAAHhh nigga imma beat the brakes off you"
Kyle: "you won't do shit you fat motherfucker"
Austin" mahh you lucky i aint wanna figght today!"
by Miranda i like yo shoes March 26, 2013
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Cole got pink eye after doing the musty buffalo on that skank he took home from the strip club.
by refriedchicken February 22, 2013
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a name you call people to annoy the shit out of them.
"you're a crusty musty"
"shut up"
"no, you shut up you crusty musty"

or

"stop picking your nose crusty musty"
by xx_Maryannslover_xx February 15, 2012
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A strange person with an extreme amount of must radiating off of them.
*In class*
Student: SIR! what's someone who is extremely musty called.
Teacher: A musty queer
by Musty manager May 24, 2021
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