panic button
noun /ˈpænɪk bʌtn/
/ˈpænɪk bʌtn/
Idioms - a button that somebody working in a bank, etc. can press to call for help if they are in danger
Idioms
press/push the panic button
- to react in a sudden or extreme way to something unexpected that has frightened you
- The prime minister pressed the panic button yesterday as Britain’s economy plunged deeper into crisis.