lose cool

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.

to suddenly become very angry and start shouting I try to be patient with her but she made so many irritating comments, I absolutely lost my cool.

to suddenly become very angry and start shouting I try to be patient with her but she was so irritating in that meeting, I just lost my cool.

Name	Pronounced	Usage
Abhilash	-	Indian, Malayalam, Hindi
Elnora	-	English
Narayanan	-	Indian, Malayalam, Tamil
Armand	['a:mɔnd]
Bonds	[bɔndz]
Willamar	-	Ancient Germanic