Poor Brain 

The effect of poverty on logic and reasoning

Why do poor people act stupid and commit crimes?

They have poor brain

Poor Brain by Tillyboy February 24, 2020

poobrain 

An insult applied to a dim-witted, brainless person.

"I've lost my car keys."
"You poobrain!"

poobrain by McGonagall May 4, 2006

Poopbrains 

When your brains slowly start to deteriorate to the equivalent to poop or stool because you have been away from Sunny too long or because you miss him so dearly. It can only be cured by talking to him or seeing him as much as possible. Long term effects can arise and possible permanent brain damage may occur.

See also "Sunny Withdrawls"

Oh Kristine you must be having poopbrains because you miss Sunny so dearly! It's ok because I do too.

Poopbrains by Daddy aka Spartan Warrior December 22, 2008

poopbrain 

When you destroy your brain with repeated drug use and it turns into a legitimate pile of excrement.

Man Logan used to go so hard but now he cant because he has poopbrain.

poopbrain by meat yogurt October 1, 2020

poobrain 

A poobrain pu-brane is a cranial sheister.
A turdiliacus of the highest order.
Usually recognized by an indiscrete smell of faeces.

Popular usage: Don't be such a "poobrain" you egg-head Sheister!

poobrain by Holster May 9, 2006