freak out
verb- To react with extreme anger or fear, to the extent that one loses one's composure or behaves irrationally. · When Peter saw the nail poking up through his foot, he freaked out and started hyperventilating.
- To scare or unnerve someone. · Don't take off your shirt when working behind the counter. You'll freak the customers out.
- To be upset or nervous; to be scared or unnerved.
- To adopt an unconventional (especially countercultural) persona or appearance.
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