a designated driver

(American)

one person in a group who agrees not to drink alcohol in order to drive the other people to and from a place where they will drink alcohol Tom said he'd be the designated driver when we go out tonight.

Common Names:

Name	Pronounced	Usage
Matthias	mah-TEE-ahs (German), mə-THIE-əs (English)	Greek, German, Swedish, Norwegian, Danish, French, Dutch, Biblical, Biblical Latin, Biblical Greek
Roar	-	Norwegian
Rubens	-	Portuguese (Brazilian)
DieudonnÉE	dyuu-do-NE	French
Herb	HURB	English
Al	[æl]