be on nodding terms

be on nodding terms (with someone)

To know someone only as an acquaintance. The two of us are just on nodding terms—I couldn't even tell you his name. I'm only on nodding terms with her sister, so I can't ask her for a favor like that.
See also: nod, on, term
Farlex Dictionary of Idioms.

be on nodding terms

know someone slightly.
See also: nod, on, term
Farlex Partner Idioms Dictionary
See also:
  • be on nodding terms (with someone)
  • be on nodding terms with somebody
  • a nodding acquaintance
  • a nodding acquaintance with (someone or something)
  • acquaintance
  • nodding acquaintance
  • nodding acquaintance, a
  • read the small print
  • have a nodding acquaintance (with someone or something)
  • have a nodding acquaintance with somebody/something