panic button

panic button

n. Slang

A signal for a hasty emotional response to an emergency: Stay calm; there's no need to hit the panic button.

Thesaurus

Noun

1.

panic button - a button to push in order to summon help in case of an emergency; "the circuit is operated by a panic button"; "when he saw that I was angry he hit the panic button" push button, button, push - an electrical switch operated by pressing; "the elevator was operated by push buttons"; "the push beside the bed operated a buzzer at the desk"