take a piss

take a piss

vulgar slang To urinate. Could you pull over? I need to take a piss.
See also: piss, take
Farlex Dictionary of Idioms.

take a piss

verb
See take a leak
See also: piss, take
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • piss (one's) pants
  • have a leak
  • go to the lavatory
  • piss-whiz
  • be (out) on the piss
  • be on the piss
  • go to the bathroom
  • go to the toilet
  • piss up
  • piss-up