ON THE BUTTON


Meaning of ON THE BUTTON in English

( informal , especially NAmE )

1.

at exactly the right time or at the exact time mentioned :

We arrived at 4 o'clock on the button.

2.

exactly right :

You're on the button there!

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.