When a toilet is found previously containing urine and you do nothing more than to chip in. Mostly found in Men's rooms and mostly a product of the rule "if it's yellow, let it mellow."
"The dude before me didn't flush so I just chipped into the Pee Pool"
by AT18 May 14, 2010
1 more definition
One who likes to get pissed on by many partners at a time.
My buddy went to a party and joined everyone i na pee pool.
by Anonymous October 13, 2003