Someone's who's annoying as fuck, only talks about gay people and eats kebabs with his left hand while masturbating with his right one.
My friend is being a Musti
by combarwombatmario October 9, 2017
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how someone smells not how someone looks dont be fucking retarded and say someone looks musty if you do your a damn dumbass
Selena: Purr bae tyrone look so musty i wouldnt let him tap

Tyrone: Who tf you think you talking too bitch i would smack dog shit outta yo bitchass weird ass whore ass bitch i can smell yo coochie from all the way in ATL weird ass whore slide id really smoke yo whole family nigga who tf you think you are

Selena:CHILEEE YOU CANT TAKE A JOKE HMSNDSKNKMSAJO BYEEEEE-
by ARandomBlood May 28, 2021
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The words you would use to describe Paris Hilton, anything to do with her, or anything she would call say "That's hot" to.
(when looking at Jimmy Choo shoes or John Galiano dresses or Paris Hilton's sex tape) That's musty!
by Angel21 June 26, 2005
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a word that white people use too damn much without even knowing the meaning
tiktok obsessed white girl: omggg i look so musty...not them looking musty whew Chile sis

literally anyone: bro wtf
by MIKEY BOIII April 17, 2021
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A skanky female, ages teen to death. They annoy the hell out of you but most of all are gross, stanky, or just fat.
That musty bitch just got fingerprints all over my iPad
by Pussy Feind November 24, 2015
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When a man lathers one of his hands on his testicles, giving them a warm and sour texture, and in a light, playful manner, slaps another person.
John was being a little bitch at the game, so afterwards I came up behind him and gave him the old Musty slap
by The guy on the couch. June 8, 2009
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An asshole that has not been properly cleaned before anal sex. The asshole is still steaming with feces and other nastiness. Stank, smelly, and otherwise unpleasant.
After Mike took a dump he left shit all over the handle of the hammer after shoving it up his asshole.

Dude, she must have had a musty hole because when i pulled out my dick was brown
by chazafor September 10, 2009
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