knuckle muffin 

Sounds like butt stuff

Girlfriend: whatcha wanna do tonight ?

Boyfriend let's do a knuckle muffin

Girlfriend: eww sounds like butt stuff .. IM IN!!!

knuckle muffin by Ahhitzap1rate May 23, 2016

knuckle basher 

A knuckle basher is someone who not only thinks they are "hard" but they think they are the "bees knees" and that no one can defeat them.

"Oh that Ryan is such a knuckle basher"

knuckle basher by Jcoodoike November 28, 2016

Knuckle Shuffling 

the act of Masturbating.

Jeremy when to his room, i think he is knuckle shuffling

Knuckle Shuffling by GORBACHELLI January 18, 2017

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.

Knuckle Up by DaXymbiont February 7, 2018

Knuckle Dragger 

Knuckle Dragger is a term used to describe a old school Correction Officer who in their early days of Corrections used brut strength over knowledge and skill.

Look at Jack he was once a old school knuckle Dragger CO! He use to use brut strength to deal with inmates, now he’s a skill Corrections professional!

Knuckle Dragger by Hankscolts May 7, 2018

knuckle brother 

the tightest bond two can have...typically occurs when two friends simultaneously break their knuckles. if you mess with one, you mess with both.

“What are those god damn knuckle brothers up to this time?”

knuckle brother by greenryan420 February 27, 2018

knuckle blower 

When a guy jerks off and it just dribbles down his knuckles instesd of shooting off towards the sky

Dude your nothing but a knuckle blower .

knuckle blower by Wrinkleintime April 8, 2018