men (and women) in blue

men (and women) in blue

Police officers, or the police force in general. We've got the thief pinned down, we're just waiting for the men in blue to come arrest him. The mayor is planning a parade to honor the men and women in blue who protect our community day in, day out.
See also: blue, men
Farlex Dictionary of Idioms.

men in blue

and boys in blue
n. the police; policemen. (see also blue boys.) The men in blue are hammering at my door. I’m going out the back way. You can depend on the boys in blue to clean things up in this town.
See also: blue, men
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • men in blue
  • the boys in blue
  • boys in blue
  • boys and girls in blue
  • Johnny-be-good
  • women in blue
  • girls in blue
  • John Law
  • Johnny Law
  • fuzz