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

fuck knuckle

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

Hey fuck knuckle stop beating off

by Invented that word December 11, 2024

fuck knuckle

When said person is being annoying or is being a headass

Person 1: “God, Michael is being such a fuck knuckle”
Person 2: “You can say that again”

by CurseWordGenerator2000 January 28, 2019

fuck knuckle

Someone who is a complete and utter idiot.

1. Don't be such a fuck knuckle.
2. That fuck knuckle crossed the highway without looking.
3. If you're going to be a fuck knuckle, you can piss off.

by xxxxmints May 17, 2017

Fuck-knuckle

Look up Donald Trump on Google if you are unfamiliar. (Absolute retarded fuckwit cockhead).

What a fuck-knuckle.

by #CoronaTime_420_69_51 March 25, 2020

Meat knuckles

When a person is so fat, you can’t even see their knuckles from how fat their hands are.

Tom: check out my new finger tat
Dave: nice meat knuckles fatass

by I love my ego August 26, 2022

stuck knuckle

The sexual act of fingering someone so tight, your knuckle gets stuck.

"Dude, did you see that chick? She's so hot!"

"Yeah, Tommy stuck knuckled her last weekend."

by BenjiBonz October 12, 2013