To spend more time in the washroom, taking a longer leak than usual, all because you have consumed too much coffee ☕ or alcohol 🍸.
If you don't want to piss like a horse don't consume too much coffee or alcohol.
by Sexydimma May 7, 2022
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pissing like a race horse basically means to piss in large amounts frequently, just like a pregnant lady would.
I have been drinking so much water lately and now I keep ‘pissing like a race horse’ every 15 minutes.
by bones from monster house February 15, 2022
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A lengthy stand up piss, making lots of noise and seemingly never ending.

Co-op horse - used to pull the milk float in years gone by.
He must have been on the boys lager last night , lsten , he's pissing like the Co-op horse
by oldmanbeforemytime March 2, 2010
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