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50.
dd
The guy who bites the bullet and drives to the party. The drunk driver has the critical role of getting his buddies home, or to donuts, or to more beer. It's usually customary to by the DD a beer for his efforts.
You can't take my keys, I'm the DD.
by Nasty Nate December 16, 2005
 
1.
dd
Really big breats - Double D.
<A> Dam'! That bitch is stacked yo!
<B> She hasta be DD!
by Terran-Ghost June 03, 2003
 
2.
dd
Designated Driver
-the guy who, while he doesn't get to drink, will be able to tell which drunk sluts are more appealling, and usually have an easier time sleeping with them.
man, im getting sick of being dd even with all the pussy im getting
by Anonymous May 07, 2003
 
3.
DD
n. Designated Driver. One who abstains from "partying" so everyone can get home safely.
We're going out tonight, and I'm the DD, as per usual.
by The Grammar Nazi January 05, 2002
 
4.
dd
Disease and Drug free
Craigslist: I am a DD free female
by jizay August 25, 2005
 
5.
DD
The Doctor of Divinity (or D.D. or DD or Divinitatis Doctor) is an advanced academic degree in divinity. In the UK, the Doctor of Divinity has traditionally been the highest doctorate granted by universities, usually conferred upon a religious scholar of standing and distinction.
Graduate 1: I just received my MD.
Graduate 2: I just received my PhD.
Graduate 3: I just received my DD.
by NextLevel June 01, 2010
 
6.
DD
Dunkin Donuts!
A typical scenario at DD.
customer: Medium cawfee, regula pleaz.

by pearrrr July 10, 2008
 
7.
dd
An acronym for "Dear Daughter." Mostly used by moms in their 40s when they talk about parenting.
by Disvan October 01, 2010