PDD 

PDD-Please Don't Die, people will say GL HF before Blizzard internet games. Games Such as- Warcraft
Starcraft
Diablo

So before a game starts, start the PDD trend

5...
4...
Pandakiller:
Pandakiller:
LzH.Slayer: GL HF PDD
3...
2...
1...
Rouge-Death: Last Word

PDD by Joel227 July 20, 2007

PDD 

Public Display of Depression. When someone is acting depressed to get attention or make people feel bad for them.

Bob: What's wrong with your sister?
you: Her bf just broke up with her so now she is PDDing.

PDD by r3king August 5, 2009

PDD 

Of or relating to the condition of Phosphrousdie Disolutiold Disorder. In most cases the victim grows a third ball to his testicular sack

Oh no mom' I have a case of PDD

PDD by Monkey Baboon December 27, 2003

PDD 

Public Display of Drama

She likes to engage in PDD.

PDD by Digitizer August 20, 2009

PDD 

Post Dinner Dump

after you have had a large meal, you go to the toilet for a dump to make some room.

wow that steak was nice im stuffed, im going for a PDD.

PDD by Matthew89 February 13, 2008

PDD 

Post Design Dumpground - The department in an engineering organisation where all barely implemented, feature poor, bug ridden, undocumented, illegible, unworkable code or products get dumped after being prematurely rushed to the market.

Newbie: Working on this code is awful! This is not what I went to university for!

Veteran: Get used to it, software development is always hell in PDD.

PDD by Ramos Vader-Congo October 6, 2009

PDD 

PDD stands for Pervasive Developmental Disorder. Something that some mentally retarded kids sometimes have.

Timmy has a PDD.

PDD by Alexi August 8, 2003