Ejaculation from masturbating.
by ~Rosie January 28, 2008
 Get the Knuckle Chowdermug.
Get the Knuckle Chowdermug. by merkinmuncher November 4, 2013
 Get the Gorilla Knucklemug.
Get the Gorilla Knucklemug. by unrealism September 5, 2021
 Get the Monkey Knucklemug.
Get the Monkey Knucklemug. by A total and utterly baddie March 24, 2021
 Get the Knuckle Binemug.
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.
Get the Trunk Knucklemug. 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.
Get the Knuckle Cockmug. 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.
Get the knuckle scrubmug.