What is Cumathlon?
1.
A challenge between two or more
"Sasha was victorious in the last cumathlon after receiving over 9000 facials and swallowing around 20 gallons of sperm."
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1.
The process of taking a shit in the tank of a toilet instead of the bowl so when the next person flushes, all the shit goes into the bow..
1.
One who swoops up on another poon.
Ben is a notorious poon swooper.
See poon, poonie, swooper, swoop..