pot to pee/piss in, not have a

not have a pot to piss in

rude slang To be broke or destitute. It sounds like Betsy doesn't have a pot to piss in. So what makes you think she's going to loan you money?
See also: have, not, piss, pot
Farlex Dictionary of Idioms.

not have a pot to piss in

be very poor. North American
See also: have, not, piss, pot
Farlex Partner Idioms Dictionary

pot to pee/piss in, not have a

Be extremely poor. This slangy Americanism, as in “The stock market crash wiped him out—now he hasn’t a pot to pee in,” dates from about 1900. The pot in question is a chamber pot.
See also: have, not, pee, piss, pot
The Dictionary of Clichés by Christine Ammer
See also:
  • not have a pot to piss in
  • don't have a pot to piss in
  • don't have a pot to piss in (or a window to throw it out of)
  • down to chili and beans
  • take a piss
  • piss up
  • piss-up
  • a piece of piss
  • piece of piss
  • quiz