Fuck-knuckle

A more poignant or harsher word for the abusing the common wanker/tryhard/yuppie douche-canoe

You're porno movies are on the shelf next to that fuck-knuckle with his shirty goatee in the corner

by Marty's ass September 25, 2020

Fuck Knuckle

The second knuckle of any digit when inserted into an orifice in a sexual manner.

I was fingdipin' this girl to the fuck knuckle after the baseball game the other day.

by elcapitandeganja October 18, 2013

Knuckle Fuck

Getting fucked while your balls are vibrating from the wavelengths of Knuckle Puck’s live performance.

Ugh, I can’t wait to get Knuckle Fucked in Orlando in 2 weeks!

by TaraWard10 November 21, 2023

Fatty fuck knuckle

A large, ignorant and lazy individual with poor hygiene. Smells like they haven’t wiped their ass since the 8th grade.

“Good job fatty fuck knuckle, you spilled your drink on me!”

by Jack Mahaugov September 16, 2022

fuck knuckle

A slang term for a dumb mother fucker who really does not understand they are a dumb mother fucker.

After a lame conversation I had to say, “He is such a fuck knuckle”.

by Wayne Schlinger & Kevski September 23, 2021

fuck knuckle

Someone who is beating off, fucking their own hand fuck knuckle

Hey fuck knuckle stop beating off

by Invented that word December 10, 2024

fuck knuckle

A person so dumb they can't tell the diffrence of a penis or finger and think the knuckle on a finger is the end of the dick head.

That bitch was so gross I couldn't get hard. So I fucked her with my finger and told her I have a small dick. She said the end of my head was big she is so dumb what a fuck knuckle

by Rawdog75 January 13, 2025