Disappearing Knuckle

A term commonly used when describing CT Side Saddle.
It is an optical illusion when you insert your thumb knuckle deep inside a girl's ass. Your knuckle will seem to disappear!

?: "Where'd it go?"
CT: "There it is!"
?: "Where'd it go?"
CT: "There it is! The disappearing knuckle!"

by Speed Racer 19 April 25, 2010

Fuck Knuckles

How you say you want to bang and fuck your shit up at the same time.

Bitch, I wanna give you some good ole fashioned fuck knuckles.

by 1oftheBOYS February 12, 2021

Internet Knuckles

The process of giving a knuckle-bump over the internet.

Kid watching Youtube video of a kid doing a cool stunt: Dude that's fucking awesome! This kid gets some Internet Knuckles.

by Bubbles_the_Juggles August 4, 2010

chum knuckle

1. An idiot or moron
2. Someone who is clumsy.

Did you hear what she said? She is such a chum knuckle!

by XTO June 20, 2010

Moose knuckle

When a camel toe is so extreme or severe that it has to be classified under a different name

Mate! Her trouser are so tight they aren't just giving her a mark toes, it's a full on moose knuckle!

by Redneck11 December 5, 2016

Bloody Knuckle

To fist a girl while she is on her period.

Oh man, my girlfriend was on her period so I gave her a bloody knuckle.

by Ninjawrestler March 29, 2009

Knuckle Grinding

To insert one's fist into another's vagina and punch with force, grinding your knuckles against their insides.

"I did some mad knuckle grinding on this one chick last night!"

by Salt Licky October 13, 2004