piss like a racehorse

piss like a racehorse

rude slang To excrete an excessive amount of urine; to urinate for a long time. This is why I don't drink lots of beer: only a couple of pints and I'm already pissing like a racehorse. Can we pull over soon? I need to piss like a racehorse!
See also: like, piss, racehorse
Farlex Dictionary of Idioms.
See also:
  • pee like a racehorse
  • racehorse
  • break the seal
  • go number one
  • pee (one's) pants
  • piss (one's) pants
  • drain the dragon
  • bladder
  • bladdered
  • piss yourself