durh brain 

a dummy

oi dude your such a durh brain

durh brain by jack draper January 12, 2009

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