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1.
A word that will describe anything and everything that you want it to. It can be used for when you are mad, sad, or if you need a sentence filler and don't like using the f-bomb.
a. Ah Poopynoonie! I lost my favorite pen!

b. You're really being a poopynoonie right now.

c. Your hair is looking very poopynoonie-ish today.
by Dan&Syd4life October 10, 2011