a cool customer

(informal)

someone who stays calm and does not show their emotions, even in a difficult situation I can imagine Pete being good at negotiating. He's a pretty cool customer.

Common Names:

Name	Pronounced	Usage
Jodie	JO-dee	English
Daly	DAY-lee	Irish, English (Rare)
Lexie	LEKS-ee	English
Alissa	ə-LIS-ə	English
Tahira	-	Arabic
Sharmila	-	Tamil, Indian, Marathi