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 07, 2010
Term that refers to the male hand while induldging in the act of self-pleasure. Such as masturbation.
by D. Brown January 12, 2005
by 50187 July 26, 2006
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.
by CBOplay'a May 22, 2018
by PersonQPersonQ April 13, 2021
by Manny Weatherton April 25, 2021
by Jokurtil August 07, 2019