drop in to say hello

drop in to say hello

To visit one casually or unexpectedly. Ever since we gave your mother that key, she keeps dropping in to say hello.
See also: drop, hello, say
Farlex Dictionary of Idioms.
See also:
  • (I) can't say that I do
  • can't say that I do
  • go further
  • (one's) say
  • one's say
  • before you can say "knife"
  • before you can say knife
  • I'd say
  • not say a dicky bird
  • go so far as to say (something)