Muck Knuckler

Someone, usually a marsupial, who enjoys ramming their hands up other people's asses, all the way to the knuckles. This will of course cover the assailants hand in muck, leading to the obvious name

Bryan Jones doesn't care how old or what sex you are, he will jam you up the pooper hard, he is known as THE Muck Knuckler.

by BetterThanYou717 June 7, 2010

Great White Knuckler

Term that refers to the male hand while induldging in the act of self-pleasure. Such as masturbation.

So Dan, how was that ride on the Great White Knuckler last night.

by D. Brown January 12, 2005

kansas white knuckler

when a chick is jerking you off and you shoot a load all over her knuckles

"man i shot the coolest kansas white knuckler the other day"

by 50187 July 26, 2006

Swash Knucklers

A modern knuckle tapping movement in which the members show their affection and loyalty to one another by busting knucks as softly and as gently as humanly possible.

Welcome to the "Swash Knucklers" my friend.

by CBOplay'a May 22, 2018

Black Knuckler

When a black person takes their knuckle and shoves it up their partners asshole.

I heard he was a real black knuckler on her last night.

by PersonQPersonQ April 13, 2021

Butt-knuckler

A straight male that enjoys a finger in his butt during sexual intercourse.

I hear Garrett is a butt-knuckler.

by Manny Weatherton April 25, 2021

White Knuckler

When Victor grabs his penis and squeezes too tight, thus, causing his knuckles to turn white.

Victor is a white knuckler masturbater.

by Jokurtil August 7, 2019