go number one

go number one

euphemism To urinate. ("Go number one" is a euphemism for defecation.) I only have to go number one, so I won't be gone long. A: "Mommy, I have to go to the bathroom." B: "OK, sweetie. Do you have to go number one or number two?"
See also: go, number, one
Farlex Dictionary of Idioms.
See also:
  • go number two
  • bathroom
  • go to the bathroom
  • answer nature's call
  • nature calls
  • go to the lavatory
  • check out the plumbing
  • bio
  • piss
  • piss (oneself)