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1.
stupid,POOOP or name used to something if furious. from the name emma lipscum
that cat was being a real poopscum, so i yelled at it.
by Vanessa Hudgens September 15, 2007
 
2.
1. The scum, or remains, of feces.

2. An irritating, or stupid person, or just someone you dont particularly enjoy.
example 1: Dude come into the bathroom and look at all my poop scum!

example 2: Wow Jaren, your such a POOP SCUM!
by elwoodthesheep October 23, 2010