Lingo

[Pale Rider]

https://en.wikipedia.org/wiki/List_of_U ... xpressions
5.56mm hickey – A scar or blister resulting from a burn suffered (usually on the neck) due to hot brass.
8 bells – Signal for the end of a four-hour watch, so named for the increase in bell strike each half-hour of the watch.[2]
Above my/your pay grade – Expression denying responsibility or authority (indicating that the issue should be brought to higher-ranking officials); alternatively, a semi-sarcastic way of telling someone that they're not authorized to receive certain information.[3]
ARMY – Ain't Ready to be a Marine Yet - backronym used for the Army.
ASP – Ammunition Supply Point, where ammo is stored and issued.
Bag Nasty a.k.a. "Box Nasty"– A-ration Brown-bag meal issued to Marines (usually recruits or those in-field): it often contains a sandwich, a boiled egg, fruit, potato chips, juice or milk.
Battle Sight Zero or BZO – calibrated settings on a gunsight that contribute to accuracy; used as default before adjusting windage or elevation; also used as verb when triangulating a BZO.
BB Counter – Marine whose duties are the handling, storage, issue of ordnance.[12]
Beans, Bullets, and Band-Aids – Meant to imply the basic supplies that military logisticians must provide for: rations, ammunition, medical care.
Beer Garden – Social area permitting the consumption of alcohol etc.; may contain barbecue or picnic facilities.
Blood stripe – Red band on dress uniform trousers; traditionally said to symbolize blood shed by Marine officers and NCOs during the Battle of Chapultepec; worn by NCOs and officers.
Blooper – Grenade launcher: from the distinctive noise made when one is fired. See also thump gun.
Brain Bucket – Helmet.[18]
Brain-housing Group – Pejorative for a Marine's head or skull.[19]
Broke-dick – Any person who does not perform up to standards, or a sorry piece of equipment.[22]
Bum Scoop – Bad information.[26]
Burning Man – A Marine who is scorched by hot gun casings.
Butter Bar – A second lieutenant, due to the gold color of his rank insignia.
"By your leave sir/ma'am." – Used with a salute prior to passing senior officers who might be advancing in the same direction; protocol states the senior must acknowledge by returning salute with phrase "Carry on" before the junior passes on the left.[28]
Cadillacs – boots; method of transportation when no other vehicle is available. Also refers to all leather combat boots.
Charlies or Chucks – The service "C" uniform, consisting of the short-sleeve khaki shirt and green trousers.
Chit – Voucher, receipt, letter, or note, entitling the bearer to special treatment, such as medical restrictions from duty; derived from Hindi word for "letter", "chitti".[42]
CIF – Consolidated Issue Facility, a place on a station where all personal equipment is stored and issued, often contracted to civilians.[43]
CLP – Cleaner, Lubricant, Preservative, teflon-based cleaning and lubricating fluid used for maintaining small arms. Also slang for coffee.
CMC – Acronym for Commandant of the Marine Corps.[47]
COB – Close Of Business, the end of working hours; or Close Order Battle, a synonym for CQB.
COC – Combat Operations Center, the command post for a combat arms unit, usually of battalion-size or larger; personnel assigned to the COC may derisively refer to such duty as "coc-watch" or "working the coc".
COG – Corporal Of the Guard, The acting corporal, (or near rank) that acts under the SOG Sgt. of the Guard on watch, radio watch, or post.
Colonel – Proper means of addressing lieutenant colonels and colonels.
Corpsman – Navy hospital corpsman attached to a Marine unit; also known as "doc"; inappropriate to address as "medic" or "aid man".[48] See also boxsee.
Cover and Alignment – When in a formation, this refers to the proper distance between those next to, in front of, and behind a person; to seek the proper interval.[49]
CQB or CQC – Close Quarters Battle/Combat, combat within a confined space, such as urban warfare. See also MOUT.
Detachment – 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.
Devil Dog or Devil – Nickname for Marines, from the German word "Teufelhunden", supposedly given by German troops at the Battle of Belleau Wood,[51] though the correct grammatical form would be "Teufelshunde".[52][53]
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 diminutive "dog-face".
Dope - Data On Previous Engagements, information, or sight settings and/or wind corrections for a rifle under given conditions.
Drug Deal – To obtain needed supplies, equipment or services outside official channels via barter rather than theft.
Dry fire - Practice firing of a weapon without using ammunition in order to refine body position and other shooting fundamentals.
Dummy Cord - Lanyard or tether used to secure a piece of equipment to an anchor to prevent losing it.
Duty NCO or Duty - Sentry responsible for patrol and security of a specific area (usually a barracks and/or working space in garrison). See also fire watch and OOD
EOD – Explosive Ordnance Disposal, responsible for the safe handling, deactivation, and removal of unexploded ordnance, the military version of a bomb squad.
EPD – Extra Punitive Duties, punishment assigned where the individual is required to perform cleaning duties after working hours (on his or her liberty time).
EPW – Enemy Prisoner of War.
Field Day – Day or portion of day set aside for top-to-bottom cleaning of an area; also as a verb for the act of conducting a field day.
Field Expedient – Improvisation, to make do with what's available.
Field-Strip – To disassemble a piece of ordnance or weapon to the major part groups for routine cleaning or lubricating; to strip cigarette butts to their filters before throwing away. Also to remove unwanted items from an MRE in order to save space.
Fire for Effect – Indicates that the adjustment/ranging of indirect fire is satisfactory and the actual effecting rounds should be fired; also a euphemism for the execution of a plan.
Fire Watch – Sentry on duty specifically guarding a person, place, object, or area in a non-combat area (such as a barracks); considered under arms but usually unarmed. See also duty & OOD.
First Shirt – company or battery First Sergeant.
Fitness Report or FITREP – Evaluation report written on Marines (sergeant and above) detailing proficiency and conduct and fitness for command, reviewed for promotion.
Float – Deployment aboard ship.
FRAGO – FRAGmentary Order, an addendum to published operational orders.
Full-Bird – Colonel, as opposed to a half-bird, light-colonel, or short-bird / short colonel, Lieutenant Colonel; so named because his or her rank insignia is a silver eagle.
Gaff Off – To disregard or ignore a person or order, context usually denotes insubordination.[62][63]
Gagglefuck – Group of Marines grouped too closely or in an unorganized fashion; from gaggle, the term for a flock of grounded geese, and clusterfuck, a term for a messy situation.
Gangway – Ship's passageway; also used to order juniors to give way to seniors in passageways, and particularly when going up and down ladders.
Gear – Property or equipment; usually referring to an individual's combat equipment.
Gear Adrift – Gear found left lying around or unguarded, from the saying "gear adrift, must be a gift!".
General – One method of addressing a Brigadier General, Major General, Lieutenant General, or General. The other would be either "Sir" or Ma'am."
General Orders – List of 11 General Orders for Sentries detailing rules for guard or sentry duty.
Get Some – Spirited cry expressing approval and the desire for more or to continue, traditionally associated in the Vietnam War to killing or sex.
Go-fasters – Running shoes or sneakers, named so because they help a person run faster than boots.[citation needed]
Goat Rope – A chaotic and messy situation.[66] See also cluster fuck.
Going High and to the Right – losing one's temper or rationality; from the common error of a poor shooter to jerk the trigger and impact the upper right side of a target.
Good to Go – Expression denoting that difficulties will be overcome; ready; well done or satisfactory.[67]
Gore-Tex – All Purpose Environmental Clothing System (APECS), a cold/wet weather protective parka and trousers, based on the Extended Cold Weather Clothing System, usually in reference to the parka; from the fabric it is made from.[69]
Gouge – Information or news. See also word.
Grab-Ass – Horseplay, usually wrestling.[18]
Grinder – parade ground or deck used primarily for drill and/or formations.[70]
Ground Guide – A person who walks in front of a vehicle in order to detect and avoid obstacles and guide the driver to the proper spot.[71]
Grunt or Ground Pounder – Infantryman, formerly a pejorative that has taken more neutral tones.

[Pale Rider]

I will continue to add to this list.