The act of vigorously scrubbing one's anus, usually with hot soapy water, to clean it of leftover fecal matter. It is more a practical technique than a pleasurable one, although some people find it serves the dual purpose.
The toilet paper at the resort was of poor quality so I had to hop in the shower and do a quick knuckle scrub before going to dinner.
by Diarrhea Farmer January 12, 2015
Get the knuckle scrubmug. 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. Finger fucking a guy's girl under the table at a bar while he is at the table, then punching him in the face afterwards, karate style, with two fingers, like Chuck Norris.
by JDawgBroncos1! May 4, 2019
Get the Knuckle Cockmug. by ryangb871 January 20, 2022
Get the cum knucklesmug. Roger was late to class because he stopped at the bathroom to knuckle one.
I had to knuckle one to your mom last night.
I had to knuckle one to your mom last night.
by Eaton Holgoode November 13, 2017
Get the Knuckle Onemug.