Top definition
brain diarhoeasex (-1.363)
shituation where right before an exam, you study a lot but you don't seem to be remembering anything... just like when you've eaten, but nothing is absorbed.

shituation where everything seems to be leaking out of your brain.
X:"dude, finished studying?"
Y:"uhh... brain diarhoea..."
by soul13 May 11, 2008
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