lose one's cool
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
Farlex Dictionary of Idioms.
lose one's cool
see under keep one's cool.
See also: cool, lose
The American Heritage® Dictionary of Idioms by Christine Ammer.
- lose (one's) cool
- lose cool
- lose one’s cool
- lose your cool
- blow (one's) cool
- blow cool
- blow one’s cool
- blow one's cool
- blow your cool
- cooled out