knucklage 

The act of giving some sweet knucks.

Marq: "Hey that was a sweet stand-up routine you did up there, give me some knucklage broski!"
Jarvis: "Thanks Brotha-maine!"
*proceeds to partake in the act of 'knucks' now commonly referred to as knucklage*

knucklage by olddappercock May 16, 2021

loaded knuckle 

The act of forcing your entire fist into your gf mouth to prevent her from saying her safe word while fucking.

“Fuck all Aaron, don’t you dare try that loaded knuckle bs with me again this time!”

loaded knuckle by Brandy3Brown November 27, 2020

Sunken Knuckle 

To put your finger inside a girls vagina past the knuckle, the act of fingering a girl

ah you know tanya from the club? i gave her a sunken knuckle

Sunken Knuckle by callowjohnny May 8, 2010

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

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