lose (one's) cool

(redirected from lost their cool)
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lose (one's) cool

To lose control of one's composure, temper, or nerve in a given situation. He really lost his cool when the waiter dropped his food. I really lost my cool during the interview.
See also: cool, lose

lose one's cool

 and blow one's cool
to lose one's temper; to lose one's nerve. Wow, he really lost his cool! What a tantrum! Whatever you do, don't blow your cool.
See also: cool, lose

lose one's cool

see under keep one's cool.
See also: cool, lose

lose your cool

COMMON If you lose your cool, you suddenly get angry and behave in a bad-tempered or uncontrolled way. At this point, I lost my cool and shouted `for goodness sake, stop!' `Why don't you sit down and have a drink?' — `I don't want a drink,' Anne replied, losing her cool.
See also: cool, lose

lose your cool

lose control of your temper or emotions. informal
See also: cool, lose

keep/lose your ˈcool

(informal) stay calm/get angry, excited, etc: He was very insulting. I really don’t know how I managed to keep my cool.
See also: cool, keep, lose

lose one’s cool

tv. to lose control; to lose one’s temper. (Compare this with keep one’s cool.) Now, don’t lose your cool. Relax.
See also: cool, lose
References in periodicals archive ?
They are poised and are very friendly, but there were times when they lost their cool and their reactions were captured by the cameras. 
Check out the photos below to see how the Queen, Duchess of Cambridge and Duke of Sussex behaved when they lost their cool.
WHO lost their cool yesterday when a queue of cars formed trying to get into the Spurs training ground?
All of our red, white, and blue-eyed patriots lost their cool over such infamy and began clamoring for reform.
Manager Tommy Kincaid was also banished to the stands as his side totally lost their cool.
Watson had been booked for a foul on Steve Flack when his challenge on James Coppinger earned him the red card, which was followed by three more bookings before the break as Stevenage lost their cool.
Even the most confident of golfers have lost their cool at Sawgrass; whose timely strokes of luck have took them to the top spot?
Former Chancellor Kenneth Clarke said his rival's camp had 'lost their cool' by accusing him of concocting a smear campaign in which Edgar Griffin was revealed as a British National Party sympathiser.
Mr Clarke said: 'Without trying to excite it, they completely lost their cool, the other camp.
Spain's players were held back in disgraceful scenes at the final whistle after they lost their cool.
TWO binmen lost their cool when they were snowballed by a group of schoolchildren, a court heard yesterday.