lame brain

a stupid person, not bright

person: whats 2x2?
other person: ummmmmmm... i dont know.
first person: wow what a lame brain.

by BLG3143 October 14, 2008

big brain

when someone is so stupid theyre actually smart

person 1: omg this isnt a table its a window omg
person 2: big brain

by chingchongyouhaveasmalldong October 15, 2019

bollock brain

A bollock brain is a fuck wit.

Oi! Bollock brain, unplug the toaster before sticking a screwdriver in it to get that bit of burnt toast out.

by Sid Swift November 19, 2003

brain-fart

A total lack of recognition.
A silly mistake.
Can be stress related.

"I had a total brain-fart when she asked for my number."

by Fish October 15, 2004

bird brain

some one who is dumber than a rock.

antonio ran into a park car. lol he is such a damn bird brain.

by aymeryia March 05, 2009

Monkey Brain

When you begin reading a page, and blank out thinking about other things. You finally come to, realizing that you read the whole page without ingesting a single word.

She was reading statistics homework when she suffered an acute case of monkey brain. I suppose thats what happens when you do your homework tipsy on the stairs in front of your building at 2:30 AM.

by the girl on the stairs. September 03, 2009

seaweed brain

it means, you are an idiot, and you are reading to much percy jackson books

hey brian, hey, guess what, what, your are a seaweed brain

by andrew17 November 23, 2010