nucklehead 

Similar to dude, often used by advising Teachers.

Come here, knucklehead
Ok DUDE...

nucklehead by the defenition master June 19, 2017

knucklehead mcspazatron 

a kid or an idiot;
a random name used to insult someone

Spongebob:"I might be a kid, or a goof ball, or a knucklehead mcspazatron."

knucklehead mcspazatron by fatboy November 22, 2004

Knucklehead McSpazatron 

Originating from the famous cartoon "Spongebob," this word means an immature and foolish individual.

"A goofball. A wingnut! A KNUCKLEHEAD MCSPAZATRON!"

Knucklehead McSpazatron by GlitchPix February 16, 2022

knucklehead 

From the 1930's (circa). Refers to a person of questionable intelligence. The size of the brain being given relative size of a human knuckle. Similar to pinhead.

That guy just sat on a bench with wet paint. What a knucklehead.

knucklehead by The Phat Doctor December 27, 2004

fucklehead 

Lit., "fucking knucklehead" Usually reserved for someone who stubbornly adheres to false principles or consistently acts irresponsibly; generally, an idiot.

"She hates your guts, you fucklehead! Quit calling her!"

fucklehead by Darhug April 9, 2009

knucklehead townie

A knucklehead townie is the exact opposite of a redneck country boy, knucklehead townies are usually bisexual don’t own firearms, hunt or fish and hate camping. Knucklehead townies tend to be liberals who can’t weld.

Hey bro, did you see that knucklehead townie in the designer jeans try to lay a greasy bead? he wants to suck my peen.

knucklehead townie by Jules Winnfield May 27, 2018

knucklehead 

A dunce. A dummy. A very stubborn person or animal.

I told him how to do it, but he would not listen, the knucklehead!

knucklehead by Merrily McCarthy July 17, 2003