flumberknuckle 

A baby-dick fag who's a supporter of Donald Trump.

Alexis, stop bringing your Donald Trump posters everywhere you go, you flumberknuckle!

flumberknuckle by bigrichard III May 18, 2016

Flufferknuckle 

Flufferkncukle is a made-up word from the kids book, "Pottymouth And Stoopid". Pottymouth made the word and he uses it as a replacement for the "f-word".

You are a big fat flufferknuckle.

Flufferknuckle by Galaxy Gaming is everywhere March 30, 2021

Fubberknuckle 

A slang term used exclusively in SoCal. It can be used in various contexts but was originally used by surfers from Venice Beach in the '80s.

surfer 1: yo how are those waves today?

surfer 2: eh, kinda fubberknuckle, to be honest.

Fubberknuckle by user1375 December 4, 2020

Flufferknuckle 

An extremely rude insult naming someone when they are being stupid
(Only to be used in extreme circumstances)

You're such a flufferknuckle

Flufferknuckle by SpoonJuicer June 26, 2022