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(n.) The process of sleeping untill your brain is mush in the matter of hours, because it's an extreme process that takes bears all winter, which protects their brains, but humans only 6-12 hours.
Billy tried to use extreme hibernation, and now he's in a coma.
by Socretez December 05, 2007
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Words related to Extreme Hibernation:

awesome bears brain hibernation mush sleeping