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 9, 2010
Get the Muck Knucklermug. Term that refers to the male hand while induldging in the act of self-pleasure. Such as masturbation.
by D. Brown January 11, 2005
Get the Great White Knucklermug. by 50187 July 28, 2006
Get the kansas white knucklermug. by Manny Weatherton April 25, 2021
Get the Butt-knucklermug. 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 June 8, 2018
Get the Swash Knucklersmug. by PersonQPersonQ April 12, 2021
Get the Black Knucklermug. by Jokurtil August 6, 2019
Get the White Knucklermug.