on cue
idiomPart ofcue
on cue — idiom
1. happening at exactly the moment you would most expect, often just after someone
1.idiom
Definition
happening at exactly the moment you would most expect, often just after someone has mentioned it.
Example
Right on cue, the bus arrived the second Kabir reached the bus stop.
Defne said it would rain at noon, and right on cue the sky opened up.