knuckle-children 

Semen, especially when released by masturbation.

"Where exactly in the Bible does it say that a man can't fire off some knuckle-children in the privacy of his own neighbor's living room, while his neighbor's at work because I don't have a DVD player." -Peter Griffin

knuckle-children by helljin December 30, 2005

Knuckle Mustard 

The residue left on your finger when your hand strikes a turd as you reach back to wipe your heiney.

My hand hit the water when I reached back to wipe my ass and came up with knuckle mustard

Knuckle Mustard by manofsteel249 January 25, 2011

knuckle sauce 

The pussy residue left on one's knuckles after fingerbanging a chick.

John: "Dude, did you bang that chick you were with last night"?

Bob: "No, but she left a thick coat of knuckle sauce that I can still smell today".

knuckle sauce by drofski82 April 18, 2011

Knuckle fudge 

The mess left on the top your hand after grazing the peak of the monster deuce you left in the toilet.

Yep, I got this knuckle fudge from mountain scraping

Knuckle fudge by Jason Forrester May 17, 2021

Knuckle Puck 

A popular-ish American pop-punk band that has toured with bands such as Neck Deep and Man Overboard.

Have you heard knuckle puck's

Knuckle Puck by Internet Addict April 5, 2015

knuckle rubber 

Originated in the Florida Keys, 40's era, the act of rubbing another mans knuckles in a signal of homosexuality.
A homosexual male. Homosexual behavior, that in which a homosexual male beckons another.

Person 1: "look at those guys".

Person 2: "Damn knuckle rubbers".

knuckle rubber by Recluse September 30, 2004

Knuckle taco 

Fingering a woman's vagina.

I asked her if she liked to have a knuckle taco. Or, I gave her a good knuckle taco last night.

Knuckle taco by JMMCD December 29, 2014