The disorder when a polar bear changes it shape randomly into the pi symbol. This does not harm the bear as in anywhere from 2 minutes to one hour the bear changes back to its original shape.
Person 1: Dude, didn't you hear the polar bear at the zoo has been diagnosed with pi-polar disorder!!!
by CLAMMAN1234 September 24, 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.

×