1 definition by BrickkBoyy

1

sludge knuckles

Shit residue, when you wipe but it's too slippery and you slide your knuckles in your dirty butt crack leaving a smear upon the the knuckle.

"Bro I just tried to wipe my ass, now I got sludge knuckles."

by BrickkBoyy June 24, 2017

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