Knuckleduster

A double jointed reverse hand job.

Jim said his dick was bruised, because he got a knuckleduster from a circus freak show.

by smingleton May 7, 2019

knucklebug

An odd mysterious bug that you only see on your knuckle and no where else. You then interrupt your friend’s conversation about some bomb ass booty they saw in the gym, telling them about some bug on your knuckle.

Hey! Did ya’ll see that knucklebug on me?

by Golden boy TABOM November 11, 2020

knucklebuck

NOUN - the culinary creation and sexual eating of a thoroughly burned marshmallow drenched in mustard (of any variety) on a preferably wooden skewer.

Amy dared Jacob to do a Knucklebuck in public for $1.00

by yoprogayinthecity May 20, 2022

Knucklebutt

A person who after having anal sex has a swollen and raised butthole resembling a row of knuckles !

Man , my girlfriend fucked me so hard with a strap on i woke up with knucklebutt !

by Frymcfly March 2, 2023

knuckleups

What a homie gotta do if he wants to be a Big tresse O.G. For the BARRIO Esse.. to loc a fool up or to put a vato on the set. Also to check up a vato when they're getting outta line. Simon Simon!!

Aye homie you wanna be a south sider? Better be ready for the knuckleups...

by Russell Runnetthinn77 October 10, 2023