To consume copious amounts of alcohol on a night out resulting in a comatose state before 12 midnight.

Alright hombre, good night out?

Ah mate, don't. I got absolutely apocolashed.

by THE best man. April 30, 2009
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An event involving a lash on an epic or catastrophic scale.
Ani: Mate, what are your plans for New Years?

Haider: Apocolash2013.
by MOI Inc. September 10, 2012
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