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1.
the induvidual whom transports intoxicated people to and from the bar safetly, and is responsible for them.
alex drove me to the bar but not home soo he is a bad designated driver.
by EDOT February 21, 2006
 
2.
At the end of the night, this is the person who is least drunk and still willing to drive.
Tom-who's the designated driver?
Sam-Bob you drive'n?.. (gives him a push and he falls over)
Sam-haha (takes Bob's keys and throws them to tom)
Tom- (catches the keys=good to drive) Alright.
by Matt Steph May 14, 2007
 
3.
the one in the group who must drink the least for the night
Tron was the designated driver because he only had 4 shots of tequila.
by sean January 09, 2005
 
4.
A habitual drinker who is immune to the effects of alcohol.
Good thing our designated driver has only had 10 shots because I'm fuckin wasted!
by ItsHydeyoubitches July 16, 2008
 
5.
The act of steering a car from the passenger seat while the driver performs oral sex on the passenger.
man, last night i got a designated driver from Kim..i almost lost control of the car when i nutted.
by K-Beck July 04, 2009
 
6.
the act of fucking a female in the vagina or anus, and at the same time an open beer bottle(with beer still in it)is inserted into the hole that the male participating in the sexual act isn't fucking.
Bill: dude! you two got so messed up last night. What did you guys do when you went back to her place?
Frank: I Designated Drivered her ass! she was so drunk and horny she didn't care. so i opened a new bottle and went miller time up her ass.
Bill: KINKY! i wonder if patty will let me Designated Driver her?
Frank: your sister let me Designated Driver her.
by homer9120 February 13, 2008
 
7.
Those life-saving nerds.
I was too drunk to drive, so it's a good thing Poindexter was around to give my sorry ass a lift home.
by Maximus December 21, 2004