fuckknuckle 

complete idiot

you know that fuckknuckle who got caught trying to break in to the police station

fuckknuckle by John June 10, 2003

fuckknuckle 

A derisory term used to denote a particularly ineffective or annoying person or thing.

Refering to a Person: My fuck! What a useless cunt! I declare him to be an absolute fuckknuckle!

Refering to a thing: I'm not eating that processed fuckknucle Subway calls a sandwich!

fuckknuckle by Reginald Whattabone March 1, 2005

fuckknuckle 

An act of tomfoolery or foolishness.A word to desribe ones studpidity.

"You should have seen Mr Colfax trip over the soccer ball yesterday." "What a Fuckknuckle!"

fuckknuckle by Hassani April 16, 2006

Fuckknuckle 

a complete waste of dna

Erin McMahon is a complete fuckknuckle

Fuckknuckle by Daughterofsorrow October 14, 2018

Bombastic fuckknuckle 

An extreme term used to insult someone/something that is being an annoyance

“YOU BOMBASTIC FUCKKNUCKLE!! WHY ARE YOU SO ANNOYING??”

Bombastic fuckknuckle by Perseus Kay March 3, 2024

rusty fucknuckle

typically the second knuckle of your ring finger after finger fucking a womans tight puss with your pointer and middle fingers only; results from getting poo from her rectum hole on it

Celeste is great. First she slobbed my knob and gobbled the baby gravy then she licked my rusty fucknuckle clean of her week old ass mayo/ fudge stank combo. AND, I posted it on Youtube for all to see.

rusty fucknuckle by cornfritter April 14, 2011

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