when your ass is all wet and it's not from sweat, that's a leaky ass. it's usually greasy. this can be associated with orange grease (see orange grease) and the pepper (see pepper), but not always.
Aw man I have a leaky ass, my cheeks are so greasy.
by truth guru June 12, 2010
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Ripping a big one or exerting a foul presence into the air or when an unwanted frat guy shows up unexpectedly

rip ass shart
“Hey, Bernard! Did you catch a case of leaky ass? Mad ugly, man.”

“Ahh man, did you just leak ass? It smells like shit in here.”

“Guess who just leaked ass. Brad is here and brought his White Claws.”
by Gabs3000 August 19, 2019
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