page_title: List of United States Marine Corps acronyms and expressions
section_title: D
hierarchical_section_title: List of United States Marine Corps acronyms and expressions / D
caption_attribution_description: English: Staff Sergeant Kevin L. Zetina, Platoon 2085's senior drill instructor, bellows cadence while practicing for Company G's final drill competition. Deutsch: Ausbilder (Drill Instructor) beim United States Marine Corps. Español: Un instructor abordando a los marines estadounidenses. A drill instructor addressing United States Marines / Not Drill Sergeant
context_page_description: This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps. Many of the words or phrases have varying levels of acceptance among different units or communities, and some also have varying levels of appropriateness. Many terms also have equivalents among other service branches that are not acceptable among Marines, but are comparable in meaning. Many acronyms and terms have come into common use from voice procedure use over communication channels, translated into the phonetic alphabet, or both. Many are or derive from nautical terms and other naval terminology. Most vehicles and aircraft have a formal acronym or an informal nickname; those are detailed in their own articles.
  The scope of this list is to include words and phrases that are unique to or predominantly used by the Marine Corps or the United States Naval Service. Recent joint operations have allowed terms from other military services to leak into the USMC lexicon, but can be found with their originating service's slang list, see the "See also" section.
context_section_description: D & D – Drunk and Disorderly, an entry formerly made on the liberty list beside the name of any Marine returning from liberty in that condition.
  Daijoubu – OK, from Japanese for "don't worry".
  Daily 7 or Daily 16 – stretches and exercises used as a warmup for other, more strenuous physical training.
  Dark Green/Light Green – Common reference to a Marine's skin color. Marines are not black or white, the saying goes, only different shades of green.
  Dead Horse – To draw advance pay out of the normal pay cycle, the Marine is then obligated to repay the debt at the government's convenience.
  deck – Floor or surface of the earth; to punch or knock down with one blow.
  Deep Six – To dispose of by throwing overboard ship.
  Department of Transportation - Pejorative for The US Navy
  Detachment or Det – A portion of a unit sent independently of its parent organization, usually in support of a larger headquarters; or a small stand alone unit isolated geographically from its parent command.
  Deuce – Reference to the number two in various unit or equipment names; the senior intelligence officer for a unit;
  Deuce Gear – See 782 gear, from the last digit in that term.
  Devil Dog or Devil – Nickname for Marines, from the German word "Teufelhunden", supposedly given by German troops at the Battle of Belleau Wood, though the correct grammatical form would be "Teufelshunde".
  Devil Nuts – A regional variation of devil dog and nickname for Marines. Popular with Marines serving at Marine Barracks Japan (Late 1990s era).
  Devil Pup – Nickname for a Marine's child(ren); a member of the Young Marines; a patronizing nickname for a junior Marine. Mostly used by senior Marines to reference junior Marines in a polite way, and commonly used around higher ups.
  DGAF – Doesn't/Don't Give A Fuck. Generally coincides with one who is OFP.
  DI – Drill Instructor, inappropriate to use the Army term "drill sergeant".
  DI Hut – Office for drill instructors in a platoon's squad bay; doubles as sleeping quarters for the drill instructor on duty. See also house mouse.
  Dickskinner or Dickbeater – Human hand.
  Diddy Bop – Poor performance in close order drill, or marching in a manner that does not present a crisp military appearance. One who conducts himself/herself in this manner is labelled a diddy bopper.
  Diet Recruit or Diet Tray – A recruit in Boot Camp who has been deemed overweight according to regulations. These recruits are usually the last through the chow line and have their meals inspected by DI's.
  Digis or Diggis – Digital camouflage such as MARPAT; also refers to the digital-patterned MCCUU.
  Dime Out – To reveal incriminating information about a person. See also call out.
  Disneyland East – Headquarters Marine Corps at Arlington, Virginia.
  Doc or Devil Doc – Navy hospital corpsman attached to the Marines; Devil Doc is a term of respect normally reserved for Corpsmen who are Fleet Marine Force qualified or who have served in combat with Marines.
  Dog and Pony Show – Any display, demonstration, or appearance by Marines at the request of seniors for the pleasure of someone else, such as a ceremony or parade; also, pejorative for the requirement for over-perfection of such a venue.
  Doggie – Enlisted member of the United States Army, from the World War I era slang "dog-face" for an infantryman.
  Donkey Dick – Specifically, a jerrycan fuel spout. Alternatively, slang for virtually any piece of equipment having a generally cylindrical or phallic shape with unknown, or obscure official name. For example, a static hook suspended from an overhead helicopter for the purpose of picking up external loads.
  Dope – Data On Previous Engagements, information, or sight settings or wind corrections for a rifle under given conditions.
  DPICM – Dual-Purpose Improved Conventional Munitions, a specialized artillery round that releases sub-munitions.
  Drill – Close order drill, the procedures and methodology of handling weapons and moving troops about in an orderly fashion, used to indoctrinate recruits in obedience to commands and military appearance.
  Drill Hat – A Drill Instructor, usually 
caption: DI
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