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Found in office bathrooms, it's when at least two cubicles are occupied- but no one wants to shit first. The stalemate is only broken when a diversion noise has been created, eg. a hand drier or another toilet flushing.
GUY 1: Man, you missed the meeting!

GUY 2: Sorry, I was in the middle of a Poo-off.
by northern Queensland July 31, 2008
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