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
Jehoash	ji-HO-ash (English), jee-HO-ash (English)	Biblical
Algernon	AL-jər-nahn	English
Adelle	ə-DEL	English
Pagan	['peigən]
Alice	AL-is (English), a-LEES (French), ah-LEE-che (Italian)	English, French, Portuguese, Italian
Lisbeth	LEES-bet	German