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 February 19, 2009

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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

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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

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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

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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 4, 2009

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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 3, 2009

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