It stands for Do Not Disturb.

Dungeons & Dragons, popular pen and pencil role playing game abreviated. Of all the role playing systems, Dungeons and Dragons is the best Simplicity/Realism mix yet to be achieved but not necessarily the best system of all.

Short for Dungeons and Dragons. A popular non-computer based RPG(role playing game). Originally created by E.Gary Gygax and Dave Arnerson, and published in 1974. It was bought by the wizards of the coast and is now going on its fourth edition. Each Edition is comprised of new rules, items, and stats. Though nerds are frquently seen as playing several gamers and gamer girls play it. It is comprised of several books, player satistics, and many diferent sided dice. The most popular is the d20. D=dice or die and then you add how ever many sides it has.

Doing Niggas Dirty

It's the name of a song by Semisonic and it stands for Do Not Disturb

Department of National Defence
Canadian Government agency responsible for the military forces.

Abbreviation for Dunkin' Donuts. Consisting of legions of illiterate foreigners who serve a most excellent variety of dones, coff, and many other forms of munch and sips.