backdoor trots

backdoor trot(s)

Diarrhea. "Backdoor" refers to the now-outdated practice of using an outhouse. Something I ate has given me a serious case of the backdoor trots, ugh.
See also: backdoor
Farlex Dictionary of Idioms.

backdoor trot(s)

n. a case of diarrhea. (From the time when people had to go out the back door to the outhouse.) I can’t go out tonight. I got a case of the backdoor trots.
See also: backdoor, trot
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • backdoor trot
  • backdoor trot(s)
  • the trots
  • make fish of one and flesh of another
  • work up to the collar
  • ate up with (someone or something)
  • ate up with someone/something
  • in soaped-pig fashion
  • a crystal set
  • crystal set