Top Definition
1.When one shuts themselves off from the outside world (much like hibernation) in order to finish the addictive Twilight series written by Stephenie Meyer.
I haven't seen my friend for two days! She's in twi-bernation until she finishes the last book of the Twilight series!
#twilight #stephenie meyer #addictive #obsessive #fixation #twilighter
by AJL20 February 15, 2009
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