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1.
getting brain farts to the point of exhaustion.
I've been having brain farts so often this past week, its starting to feel like brain diarrhea...

This brain diarrhea is really affecting my semester's grade.
автор: David Fate 5 февраля 2009
 
2.
An affliction where a constant stream of crap spews out of a person's mouth.
Peep1: Wow that guy just doesn't know when to shut up.
Peep2: Lol, some people say whatever they think whenever they think it.
Peep3: Ya, he has Brain Diarrhea.
автор: jazsd 18 июля 2013