Overview of adj on_the_button

The adj on the button has 1 sense

• on the nose, on the button -- (being precise with regard to a prescribed or specified criterion; "his guess was on the nose"; "the prediction for snow was right on the button")

Overview of adv on_the_button

The adv on the button has 1 sense

• precisely, exactly, on the nose, on the dot, on the button -- (just as it should be; "`Precisely, my lord,' he said")