When you're wearing a thong, and your balls are so saggy that each ball falls onto both sides of the thong creating newton ball like balls, and you have someone put their tongue in between both balls, and swing the balls together like newton balls. :)
by Throbin Hood June 13, 2016
Get the mewtons knucklemug. "The only people who would buy your cockamamie plan is a bunch "knuckle bunnies" on vacation in a volcano."
by Porticia September 4, 2013
Get the Knuckle Bunniesmug. by A total and utterly baddie March 24, 2021
Get the Knuckle Binemug. Sticking a finger in someone's ass at least to the second knuckle of your finger of first knuckle of your thumb.
Hey, that dude really likes when his girl gives him a trunk knuckle around back while getting a blowie.
by Sarcastication January 25, 2013
Get the Trunk Knucklemug. by merkinmuncher November 4, 2013
Get the Gorilla Knucklemug. A chronic, habitual masturbator. Someone who is always giving himself a tug. Typically addicted to porn, stalks Facebook, Insta and other media for pics to fap off to.
May also be used as a derogatory term for somone who’s a POS.
May also be used as a derogatory term for somone who’s a POS.
My neighbor is a real jack knuckles. He’s always giving himself a wank online.
My uncle is a jack knuckles. I catch him tossing off every time I walk past the den.
Fuck that guy. He’s a jack knuckles.
My uncle is a jack knuckles. I catch him tossing off every time I walk past the den.
Fuck that guy. He’s a jack knuckles.
by Eaton Holgoode December 8, 2017
Get the Jack Knucklesmug. Ejaculation from masturbating.
by ~Rosie January 28, 2008
Get the Knuckle Chowdermug.