The act of stroking one's penis with such vigorous strength and aggression that it causes one's knuckles to turn white.
Bro, it's been so long since my girl let me hit that I had to give myself the ol' white knuckle monkey fist.
by Elfistothemagnifico March 29, 2023

by lvsickkkkk October 15, 2011

A halve-erect penis. When your halve hard, and halve soft it equals a knuckle, referring to your finger knuckle when bent.
by Kujawa September 19, 2018

Do your job, the colleague said to the intern for the administration, or else you'll get a Trump knuckle sandwich..
by Petesbeeps August 19, 2017

The pulling back of a mans excess cock skin to make the male genitalia seem larger or longer, in some cases more dagger like.
John: Rambo hit that goose knuckle pretty hard
Jim:yea his cock is elite and looks like a dagger, how appealing!!
John: yea he has a nice cock, all thanks to that goose knuckle
Jim:yea his cock is elite and looks like a dagger, how appealing!!
John: yea he has a nice cock, all thanks to that goose knuckle
by Hissnnsfkdi October 6, 2021

by muncherofallass April 21, 2014

A flex, usually in the form of an emoji, used to indicate a post of strength or celebrate the dunking upon of an irritant or adversary.
by dux4life May 12, 2022
