Knuckle Up

When two men choose to engage in mutual masturbation, implementing a "thumb war" grip and jerking themselves off simultaneously, locked at the knuckles.

Since he had a girlfriend, the young man decided to knuckle up with a buddy.

by DaXymbiont February 7, 2018

fuck knuckle

When said person is being annoying or is being a headass

Person 1: “God, Michael is being such a fuck knuckle”
Person 2: “You can say that again”

by CurseWordGenerator2000 January 28, 2019

neck knuckle

The vertabrae on your neck between your shoulders

Climb on my shoulders and sit on my neck knuckle

by Meatlessyeti9 January 1, 2017

crotch knuckle

A term for a woman's clitoris. Because of its location in between the legs, it almost resembles a knuckle on a hand in between two fingers.

I got her off by rubbing her crotch knuckle.

by The Massiah December 6, 2010

dimple knuckle

When a 300lb person has dimples where knuckles should be because his palms are too fat making his knuckles depressions and then fingers a woman

I want to dimple knuckle her until she cries.

by Emicho November 18, 2015

Middle Knuckle Genealogical Splice OF My Left Knee Accidents Mold

Middle Knuckle Genealogical Splice OF My Left Knee Accidents Mold

Middle Knuckle Genealogical Splice OF My Left Knee Accidents Mold

by Angel234IsTheDarkSeraphim March 25, 2025

Fart knuckle

A person who has to fart but your in public and your scared to let it out and for people to smell it and if you ease it out it could be wet and you could shart yourself.

Your such a fart knuckle dude!

by Mossy_lemom June 19, 2025