(right) on cue

(right) on cue

At exactly the most (or least) opportune moment, as if on purpose. We had just been talking about the awful new company initiative when, on cue, the CEO walked into the room. I was complaining to my wife that none of my friends had asked how our recent move when, when one of them sent me a text message about it right on cue.
See also: cue, on

on cue

at the correct moment.
See also: cue, on

(right) on ˈcue

just at the appropriate moment: The bell sounded for the beginning of the lesson, and, right on cue, the teacher walked in.
See also: cue, on
Idioms browser ?