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A signal for a hasty emotional response to an emergency: Stay calm; there's no need to hit the panic button.
1. a button or switch that operates any of various safety devices, for use in an emergency
2. (Communications & Information) a button on the user interface of a social networking site that may be used to report offensive, obscene, or suspicious postings
3. hit the panic button press the panic button informal to react to a situation by demanding emergency action; become excited; panic
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|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"|