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.

Name	Pronounced	Usage
Tendaji	-	Eastern African, Swahili
Mikel	-	Basque
Syed	-	Urdu, Punjabi, Bengali
Zoticus	-	Ancient Greek (Latinized)
Zopyros	-	Ancient Greek
Ossian	-	Literature