Knuckle tuckin - the art of finger banging . Finger bang
Rhianna doesn't have sex on the first date. But she's down for some tuckin knuckles !"
by Lets Get Ill November 27, 2016
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someone who does nothing. Sits around all day with their thumb up there ass to the knuckle.
Paul: Hey Todd, did you get that work done that you were supposed to do?

Todd: Aww, meant to, but didn't get around to it yet, sorry dude.

Paul: Yur a fuckin shit knuckle Todd, get to work!
by hecklndecalr March 19, 2010
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Male testicles. Can also be used in the same sense as bubblegum if you are so inclined.

While the word is derived from camel toe, it is incorrect to say that a wolf knuckle is the male equivalent of a camel toe.
It is always advisable to trim your wolf knuckle if you want to get teabagged.

While men know most of the basics of proper hygiene, we often fail to keep a trim wolf knuckle, much to the chagrin of women around the world.
by John Amechi July 24, 2005
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A Character from a VR video game who wants to know da wey.
Ugandan Knuckles wants the queen to show him da wey.
by Datboi 1 2 3 January 08, 2018
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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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verb; when you forcefully go knuckle and/ or wrist deep to successfully penetrate ones' anus. (leaving you with dirty knuckle)
Sean- "what the f**k is on your hands?

Kevin- "I gave my girl a dirty knuckle last night, I guess I missed a spot"
by big pimp nasty September 15, 2013
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bumpy knuckles, AKA freddie foxxx, is from NY. one of the true underground rappers. worked with dj premier, biggie smalls, gangstarr, M.O.P. and many many more. he raps about thug shit and has one of the most in your face styles known to rapping. freddie foxxx was raw. some of his best songs include, the chancesellor, p.a.i.n.e., tell 'em im here, and gangstarr's - the militia.
bumpy knuckles is a raw nigga, straight street, i will slap your motherfucking ass and squash beef. word is bond.
by montgomery of portland January 18, 2009
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