Top definition
This word describes anything that is so epic that it blows your mind. Not only once but twice. Even if you've only glanced in its direction. This word makes chuck norris cry.
The metal mahem fastival was straight up epicnessicity dude.

I know man i needed to go to the doctor to have them put my brain back into place, twice.
by Jet62794 April 09, 2009
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