An acronym for "Dear Daughter." Mostly used by moms in their 40s when they talk about parenting.
Shiloh Jolie-Pitt is Angelina Jolie and Brad Pitt's DD.
by Disvan October 1, 2010
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A typical scenario at DD.
customer: Medium cawfee, regula pleaz.

by pearrrr July 11, 2008
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Doctor of Dental Surgery. A dentists degree. A four to five year program requiring two to four years of pre-requisite courses.
by JWN January 13, 2004
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due diligence (research into all aspects of a certain topic)
Dude #1: "Hey man, should I buy stock in XYZ company?"
Dude #2: "Dude, do your own DD."
by whodey June 17, 2004
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Drunk Driver/ Desingnated Drinker!! you know your driving home and you are still getting wasted!!!
1)Sarah: Pat...you are supposed to be the DD tonight wtf?
Pat: I am babe...i'm your Drunk Driver!

2)When the cops roll up they're gonna get the finger, and i dont give a fuck Cuz i'm the DESIGNATED DRINKER!!!---Hollywood Undead.
by sarahtessa January 11, 2009
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