1 definition by Clayr89

Top Definition
A crazy-ass gathering of some description.

A gathering of people, usually involving copious alcohol consumption and thus subsequent alcohol fueled antics. Most of the time this will result in baaaare drama going down. The more drama, the madder the sesh.
Guy: I'm so ill. Haven't moved all day! What a mad sesh!
by Clayr89 January 02, 2011

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