Top Definition
To store fiber in one's bowels in hibernation mode for a sudden release of deep cleansing.
Person1: I don't seem to shit!
Person2: You should fibernate. Tomorrow morning you'll have the best shit of your life!
by fi-ber-nate October 16, 2011

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×