knuckle-head 

A member of one's social group that recently done something really stupid.

That knuckle-head Fred told me he feed his dog chili again.

knuckle-head by Steve Jobs May 27, 2003

knuckle head 

Someone who has just made a mistake or done something wrong. Often used in a joking manner between friends.

After arriving at the ski resort Pat discovered that he had forgot his skis to which his friends responded "Pat, you're a knuckle head!".

knuckle head by zantern July 2, 2005

knuckle head 

Someone of limited intelligence and with a mean nature. Who prefers using their knuckles/fists, to using their head.

That doorman looks a real knuckle head

knuckle head by IanM September 14, 2003

knuckle head 

c*nt

youre such a knuckle head

knuckle head by alex754q-948u14-981 August 30, 2023

Knuckle-head McSpazatron 

A Knuckle-head McSpazatron is a very, very silly person. Is used as an insult.

First use was recorded in the SpongeBob SquarePants movie.

'You're a Knuckle-head McSpazatron!'

Knuckle-head McSpazatron by RowHoe May 22, 2008

Knuckle Fucking Chuckle Head

noun: knuckle-head

a stupid person.

adjective: fucking

used to emphasize or express annoyance with someone or something.

noun: chuckle-head

a stupid person

Going opposing traffic with lights and sirens whilst the oncoming traffic does not pull to the right and stops directly in front of you with a deer and a head lights look.

"Man that guys a KNUCKLE FUCKING CHUCKLE HEAD"

Knuckle Fucking Chuckle Head by doitonlan_ February 21, 2021

Knuckle headed catfish 

Really cool explitive that is not much of an explitive. Some thing I came up with in college and hope it sweeps the nation like wild fire.

Did you see your test score?

No...let me see...aw Knuckle Headed Catfish

Knuckle headed catfish by Cranky1234567890 May 9, 2006