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Verb. Something so unfair, ridiculous or disgusting it cannot be described with just the word "shit" or just the word "poop". Invented and popularized by Penny Arcade creators Jerry Holkins and Mike Krahulik.
They're out of chips!? Already!? This is shitpoop!

That Urban Dictionary example was a double pile of shitpoop!
by Entropy Cow October 28, 2009