on the button : Idioms in English

on the button

Exactly right
Kate had been certain that Edmond was going to propose tonight, and when he got down on bended knee she knew she'd been right on the button.

on the button Meaning(s)

  • (s) being precise with regard to a prescribed or specified criterion
  • (r) just as it should be
Lightning fast vocabulary building for SAT, ACT, GRE, GMAT and CAT