blow one's cool

phrase

Synonyms of blow one's cool next

: to lose one's composure

Word History

First Known Use

1961, in the meaning defined above

Time Traveler

The first known use of blow one's cool was in 1961

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blow off steam

blow one's cool

blow one's cover

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Style

“Blow one's cool.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blow%20one%27s%20cool. Accessed 9 Mar. 2026.

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Last Updated: 24 Feb 2026 - Definition revised

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blow one's cool

phrase

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