1 definition by jazsd

Top Definition
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.
by jazsd July 18, 2013

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