1
general::
Phrase(s): cue someone in
1. Lit. to give someone a cue; to indicate to someone that the time has come. • Now, cue the orchestra director in. • All right, cue in the announcer. 2. Fig. to tell someone what is going on. (Almost the same as clue someone in (on something).) • I want to know what’s going on. Cue me in. • Cue in the general about the troop movement.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Give information or instructions, for example, She said she'd cue us in on their summer plans. This verbal use of the noun cue in the sense of "guiding suggestion" dates from the 1920s.
American Heritage Idioms