blow (one's) cool

(redirected from blew their cool)
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blow (one's) cool

To lose control of one's composure, temper, or nerve. He really blew his cool when the waiter dropped his food. I really blew my cool during the interview.
See also: blow, cool
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

blow one's cool

see under keep one's cool.
See also: blow, cool
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

blow your cool

lose your composure; become angry or agitated. informal
See also: blow, cool
Farlex Partner Idioms Dictionary © Farlex 2017

blow one’s cool

tv. to become angry. I almost blew my cool when the dog wet my pants leg.
See also: blow, cool
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.

blow (one's) cool

Slang
To lose one's composure.
See also: blow, cool
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
Motahari, who is a conservative deputy but one who follows his own drummer, has been complaining about the house arrests the past few months, so it wasn't clear why some other deputies blew their cool only Sunday.