peek in on (someone or something)

peek in on (someone or something)

To go in some place to have a very quick or cursory look or examination at someone or something. I just want to peek in on the office and make sure everything is running smoothly without me. A: "Should we go back and peek in on the kids one last time before we go out?" B: "No, the babysitter has everything under control."
See also: on, peek
Farlex Dictionary of Idioms.
See also:
  • take a peek at (someone or something)
  • peep at
  • peep at (someone or something)
  • peeps
  • peek
  • peek at
  • peek at (someone or something)
  • once-over
  • get the once-over
  • have a look-see