creep on (someone or something)

creep on (someone or something)

slang To observe, investigate, or become overly familiar with someone or their personal matters in an intrusive or undesirable manner. I felt a little weird creeping on all his social media posts like that, but I wanted to know what he was like was before going on a date with him. Some guy in the corner has been creeping on us all night long. Let's go ask the bouncer to deal with him.
See also: creep, on
Farlex Dictionary of Idioms.
See also:
  • (someone) (just) doesn't know when to quit
  • quit
  • leave (someone, something, or oneself) (wide) open to (something)
  • leave open
  • leave yourself wide open to something
  • grind to a halt
  • grind to a halt, to
  • grind to a halt/standstill
  • drag (someone) into (something)
  • be in for