Top Definition
(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
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.