Top Definition
When a new expansion of World of Warcraft comes out and the WoW nerds get it and disappear for a week.
Danny: Hey where's Patrick I haven't seen him in like a week?

Jeremy: Yah, Cataclysm came out so he's WoW-bernating.
by Teapain December 10, 2010
1 more definition
When World of Warcraft players (aka: nerds, geeks, wowheads, etc.) vanish from school and social circles after a new expansion of WoW is released, as if they are hibernating.
Ken: Hey man, where the heck is Danny? I haven't seen him since last week.

Michael: Dude... Cataclysm just got released, he's totally wowbernating.
by ethan_tremblay December 12, 2010

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