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1.
Endless piss is what it's called when one is expelling urine for a long duration which is accompanied by excessive drippage followed by even more pissing, causing one to have to stand for an extended period of time or sitting down when one's feet begin to hurt as a result.
Quentin: Yo nigga, what took you so long in there?

Demarcus: Yo, I was stuck with endless piss, ya heard?
by Mick The Dick September 26, 2011