with pants down

with (one's) pants down

Describing someone whose secret has been revealed or who has been caught doing something they wanted to keep hidden. Boy, that politician totally got caught with his pants down when that surveillance footage showed him stealing money.
See also: down, pant
Farlex Dictionary of Idioms.

with (one's) pants down

Slang
In an embarrassing position.
See also: down, pant
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • with (one's) pants down
  • caught
  • be caught with (one's) trousers down
  • be caught with your pants down
  • be caught with (one's) pants down
  • caught with one's pants down, be
  • caught with (one's) pants down
  • bang to rights
  • caught bending
  • footed
References in periodicals archive
YES, JIMMY LEARN NO PM MEAN YOU GET CAUGHT WITH PANTS DOWN!