panic button

noun

1. an alarm button for use in an emergency, as to summon help.

panic button

noun

1. a button or switch that operates any of various safety devices, for use in an emergency

2. informal,  to react to a situation by demanding emergency action; become excited; panic

Word History and Origins

Origin of panic button¹

Allegedly first used in reference to emergency bell systems on World War II bombers such as the B-17 and B-24

Idioms and Phrases

Idioms

1. push / hit / press the panic button, to give way to panic in a distressing situation.

Example Sentences

"There is, therefore, absolutely no need to press the 'panic button' today to alarm the nation and the international community."

From BBC

When facts are seditious, it’s time to hit the panic button.

From Salon

Four losses in 19 matches - in a season which has included a title win in Rotterdam - does not suggest the panic button should be pressed yet.

From BBC

The water alarm was triggered at 8:16 a.m., and the panic button on the keypad by the front door was activated at 8:55 a.m.

From Los Angeles Times

Mr Kunu told the court that if it had been a real robbery, Mr White would have pressed the panic button or "kicked up a fuss".

From BBC