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Similar to acidity and basicity in measuring ph levels, epicidity measures the high epic level of something. At the other end of the spectrum would be lamecity. The c is pronounced as an s.
Dude, this video game has a high epicidity level.

Did you see the pic of *insert name here* getting out of the car without undies on? The epicidity is through the roof.
by worldwidedan June 25, 2010
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