Top Definition
A person who has to poop so bad that he or she walks to the bathroom like frankenstein and groans like him as well.
Look at poopenstein over there, let's hope he makes it.
by Joe Lopez March 15, 2008
An affectionate term for your dog, or other pet.
Oh, you little poopenstein! You're so cute!
by P.Lahm May 14, 2011
Word used to call someone a terribly large, smelly poop from a long time ago brought back to life to rain terror across the lands! Another word for Oprah Winfrey.
Shut up Poopenstein! I hate you!
by Darin Number 2 April 18, 2007

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