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1.
To Poopoon is when you accidentally pierce the toilet paper whilst in the act of wiping ones anus and end up Poopooning your sphincter.

This can occur when the consistency of one’s faecal matter and the texture of certain toilet papers combine to create a higher than normal traction coefficient resulting in a non-slip effect which if managed badly can result in a Poopooning.
Gutted, had a really good dump but finished by Poopooing myself.

Cheer up, you like like someone who's just Poopooned themselves.
by Ornaldo Jackson March 03, 2011