Durbrain 

A common insult among 2-8 year olds, often uttered when under verbal attack or in protection of ones reputution or status.

"You're not coming to my party, You durbrain"

"Be quiet Marie, you are a durbarian"

Durbrain by Professor Chris Stark October 16, 2004

derbrain 

Lacking common sense, a fool.

A: I burned my food by using the big flame stove thingy.
B: What a derbrain!

derbrain by DerbraiN January 9, 2009

dur-brain 

Someone that is so dumb that all you feel like responding to them any time they speak is "dur".

You're such a dur-brain.

dur-brain by azbas May 19, 2008

dumbrain 

The word "dumbrain" is tossed around a lot but many people don't know the real meaning, the real meaning to this word is a callback to the "big brain" and "small brain" but what it means is someone who is a weird person or just a little joke.

Hey, I can't believe Bryson did that he's such a dumbrain

dumbrain by black goku blade February 17, 2021