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1 . A combination of the words 'epic' and 'shit, usually to describe something awesome.

2. A an abnormally large faeces.
(1). Guy 1: Hey man, did you check out those Slipknot tracks i sent you last night?

Guy 2: Hell yeah, that was some epishit right there!

(2) Guy 1: MUMMM?! Can you get the toilet brush, iv done an epishit and it wont flush!
by Warplock July 06, 2009
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