חפשו מילה כלשהי, כמו ratchet:
 
1.
A dumbo who has poo for brains and therefore thinks stinky thoughts.
Mitch: Why don't you like me
Kath: Mitch, you're a poo brain
מאת KathyK 25 במאי, 2008
 
2.
An insult applied to a dim-witted, brainless person.
"I've lost my car keys."
"You poobrain!"
מאת McGonagall 24 באפריל, 2006
 
3.
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!
מאת Holster 25 באפריל, 2006