Benjamin Button

button nose

A nose with a small size and a relatively flat, round shape, usually considered to be dainty or cute in appearance.

button one's lip

To remain silent, especially in order to keep a secret or to avoid saying something inappropriate.

button pusher

Someone who pushes someone else's buttons: someone who goads, annoys, provokes, etc.

care a button

To care (at all).

hold by the button

To detain in conversation to the point of weariness or tedium; to bore while tallking to

press the panic button

To start to panic.