Brain booger
Noun. 1) A metaphor for a thought of any manner of consequence; that which sometimes results from "picking the brain."
I just had a brain booger; by virtue of its name, Brainbooger.com must be a receptacle of all manner of thoughts!
Booger Brain
Someone who is so stupid, or who seems to get more idiotic every day that you swear they pick out parts of their brain every time they pick their nose.
How can that booger brain not remember what I told her 5 seconds ago? She must have picked out part of her frontal lobe from her damn nose this time.
brain booger
when you have someone inside your brain that sneezes, your brain and size of head expand backwards in a way that you start looking like a pumpking head.
man i think someone sneezed inside your head, you might have a brain booger. That shit is whack.