When one takes an accidental shit in their pants, and then blaming it on a fictional character, sometimes refered to as just "someone", or the "Poop
Ninja"
Can be used as a verb, as
well as a noun, sometimes
even both.
Example 1: Someone took a shit in my pants, I don't know who, and I don't know why, but this is an issue that needs to be addressed immediately
Example 2:
Jimmy to Ricky: Dammit! Look out
man, The Poop
Ninja is on the loose. He got me.