walk in on (someone or something)

walk in on (someone or something)

To intrude accidentally on someone or something during a private situation. I was so embarrassed when I walked in on my roommate and his girlfriend the other evening. I think I walked in on a conversation that I wasn't supposed to hear.
See also: on, walk
Farlex Dictionary of Idioms.

walk in on someone or something

to interrupt someone or something by entering a place. I didn't mean to walk in on you. I didn't know anyone was in here. Alice walked in on the meeting by accident.
See also: on, walk
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • walk in on
  • barge
  • barge in
  • barge in on
  • barge in(to)
  • barge into
  • horned
  • horning
  • trespass upon (something)
  • keep harping on about (someone or something)