Top Definition
The act of drinking alcohol to the point of passing out and falling into a deep, impossible to disturb slumber, lasting at least 24 hours.
Guy 1 : Dude, whats up with Bob? We just got to the party and he's already passed out?

Guy 2: Oh yah, he's been drinking here since last night and went in to hibernebriation. Hope he didn't piss the couch...again.
by Krank N Klank June 07, 2011

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