a cool customer



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.
See also: cool, customer

Common Names:

NameGenderPronouncedUsage
MatÉO-French
Nur Ad-Din-Arabic
Gwilherm-Breton
Berry (2)BER-eeEnglish (Rare)
ErnŐ-Hungarian
Siavush-Persian