Fuck Knuckle 

n, a noun to describe the type of person who upon seeing you immediately want to fuck right in the face with your knuckle,

v, a Fuck Knuckle is a person who would benefit from having their face rearranged on a permanent basis using only a fist

Sean: "Jo do you see that Fuck Knuckle across the street?"

Jo: "Yeah go put his face in a new shape, He's a Fuck Knuckle!"

Fuck Knuckle by The Fairy Sesh Mother November 26, 2019

Knuckle dunking 

Inserting your fingers into a woman’s vagina up to your knuckles.

The wet spot on the bed was enormous after Britney received her first knuckle dunking.

Knuckle dunking by WordMagic May 30, 2018

knuckslut 

person who gives knucks(pounds, fist bumps, dabs,..etc) too way to many people

BRO! last night Caleigh gave at least fifty pounds at the party, what a knuckslut!

knuckslut by pussydome June 27, 2010

Cleveland Knuckler 

The act of unclogging a toilet using one's bare hands.

I tried everything to unclog that toilet. Finally had a plumber come out....he gave it the Cleveland Knuckler and she's flushing like a champ now.

Cleveland Knuckler by doucheBrigade March 21, 2016

knucklehead mcspazatron 

a kid or an idiot;
a random name used to insult someone

Spongebob:"I might be a kid, or a goof ball, or a knucklehead mcspazatron."

knucklehead mcspazatron by fatboy November 22, 2004

Angry Moose Knuckle 

Refers to a large, angry, heavy set girl. Many times the sex can turn violent. Semi-related to the Sea Donkey

"John, last night I accidentally hooked up with an angry moose knuckle. I thought she was going to rip my dick off"

Angry Moose Knuckle by ballsdeep78 July 9, 2009

knuckle airlines 

Telling someone there about to get punched -

"Your about to take a flight on Knuckle Airlines, and you've been upgraded to Fists Class"

knuckle airlines by Chris Mags November 14, 2006