To disappear off the radar socially. Usually this happens after extended period of partying so a downtime is required to recover.
"Have you seen Maria lately? I haven't heard from her since that party two weeks ago."

"No, I haven't. She must have gone into hibernation."
by BlancoRussian May 11, 2014
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when having sex with a girl, your inside her pussy for so long your dick gets soft.falling asleep whilst this is happening is not uncommon
Robbert- "dude did you Hook up with that bittie?
Joey- "yea but I couldnt bust a nut so I just went into hibernation.
by jwizyadig September 27, 2010
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When a man approaches a sleeping woman, and places his penis in her open mouth, subsequently falling asleep on top of her face.
Last night, after Judy fell asleep, I couldnt resist committing the hibernation. I packed that baby in for the winter months to come.
by Ralen April 10, 2005
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The act of buying extra weed in advance, preparing for the coming weeks where supply may be low and demand is high, so you can just hide away with your mates and get high when everyone else is chokin for a smoke and you dont have to worry about it.
buying a half ounce instead of a twenty bag and commmencing the hibernation
by Stedgyson November 19, 2006
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A computer feature that many people do not use, which allows the computer to to shut down while playing music, games videos, browsing, and running antivirus scans all at the same time. When the computer turns on again, all tasks resume at where they were as if nothing happened.

Despite how awesome that is, most people still close down all their programs and shut down, only to have to start them up again when rebooting.

The idea behind it is simple. Take pretty much everything on the RAM and copy it to C:\hiberfil.sys, which is read again when the system resumes.
Fred was Photoshopping, video editing, chatting, browsing, playing Crysis, writing music, and working in 3D Studio Max on his laptop, but he had to pack up and go to work so he simply saved all his work and hibernated the system.
by t3hb1gb0i December 14, 2010
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When your laptop decides to turn off because it's "battery is low." Usually followed by a yell, a scream, or some profanity.
Haha, this video is hilarious! What, laptop, you're hibernating?! AAARGH! Shit, damn!
by Green Bucket(s) October 13, 2009
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A severe case of marination. To sit idle for hours upon hours in a chill or relaxed state.
After having 3 exams I go into hibernation mode which may include doing absolutely nothing.
by Z May 03, 2003
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