DOD

DOD is a three letter acronym which holds several meanings:

• The United States Department of Defense
• Drink or Die, an underground software piracy ring
• Direct Outward Dial(ing), a telephone service used by within a PBX
• DOD is also the brand name of DOD Electronics that markets sound effects mostly for the electric guitar.
• Day of Defeat, a computer game, modification of Half-Life.
• Denziens of Doom, a loosely organised group of motorcycle riding computer geeks.

Additional definitions of DOD are listed at Acronym Finder.