piss like a racehorse

When you have to pee very bad!!
Damn, I have to piss like a racehorse and my teacher won't let me go to the bathroom!!
by Brandy March 25, 2004
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Piss like a racehorse

Pee viciously, ferociously, long hard.
Drank so much water today, I'm gonna piss like a racehorse.
by A very long and hard wee. August 23, 2015
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