11 Bang-Bang, 11 Boom-Boom, 11 Bush — terms for MOS 11B, Infantry Rifleman
Green Beret — United States Army Special Forces Soldier
Leg — U.S. Army Airborne term for any servicemember without jump status
DICK — Dedicated Infantry Combat Killer (used in Infantry Training)
ATFU — Ate the F**k Up. When someone/thing is not up to the Army standard
CDAT — Computerized Dumb-Azz Tanker (in the era of modern weaponry
ARMY - Ain't Real Men Yet
DH — Darling Husband (used almost exclusively by dependent spouse types)
FNG — F**king New Guy. Soldier coming to a unit straight from AIT
MARINE — My Azz Rides In Navy Equipment, Muscles Are Required Intelligence Not Essential
NAVY - Never Again Volunteer Yourself
POG — People Other than Grunts (US Army Infantry)
US ARMY — Uncle Sam Ain't Released Me Yet
Cherry — New recruit or private
Sham Shield — Specialist rank insignia
Smoke — Platoon Sergeant (Artillery)
Dirt Dart — U.S. Army Airborne terminology for a jumper who has lost control or functions of his or her parachute
Gun Bunny — Artilleryman
Mud Puppy — military policemen
Ring-Knocker — a West Point graduate
Short/Short-Timer — soon to be released from service
Shammerai/Shammerai Warrior — any soldier particularly adept at dodging work
Spoon — cook
Zoomie — pilot
Trigger Puller — an infantry or special operations soldier who sees combat often
Barracks Rat — someone who stays at the barracks and never goes out
BB Stacker — soldiers involved with ordnance
5-Jump Chump — a soldier who graduated from the US Army Airborne School with five qualifying jumps, but who has never subsequently been on active jump status
Badge Finder — a play on the word "Pathfinder", the name of an Army school. Any soldier that seems to just be collecting patches or badges by jumping from school to school.
Barracks Lawyer — someone who claims to know all the regulations and UCMJ by heart and threatens to use them against the chain-of-command regularly; similar to a "jailhouse lawyer" or a "shythouse lawyer"
Barracks Queen - a servicewoman who has had sex with many men in a barracks or on a military installation.
Blue Falcon — someone that screws others over for their own comfort or convenience; a more acceptable way of calling someone a "Buddy F**ker
Brokedyck — a soldier who is accident-prone and seemingly is always on sick call
Desert Fox — a female soldier that is considered more attractive now that she is deployed
Geardo — a soldier that spends a large amount of his money on military or paramilitary equipment, regardless of whether or not it is ever put to good use
Meat Gazer — an appointed urinalysis NCO who observes as the soldier urinates during a drug test, to prevent any foul play with the sample.
Mortar Maggot — derogatory, an 11-C infantryman, trained to carry and use mortars
Nasty Girls — Term used by active duty soldiers to describe the soldiers in the National Guard
Queen for a year — a female soldier who is being considered much more attractive due to being at a duty station with fewer civilian females
Treadhead — A tank driver or crewman
Nicknames for units
3 2 Heaven — Used to describe the 327th infantry regiment, one of the units in the 101st Airborne Division, by members of the 3rd Bridage "Rakkasans", a notoriously harder brigade than the other 2 in the division.
Jumping Jews — Used to describe an airborne unit out of Alaska. Their patch is in the shape of the star of David, a Jewish symbol.
2nd Azz Crack Regiment — 2nd Cavalry Regiment, refers to the fact that the abbreviation for the units name is 2nd ACR
2nd All-Criminals Regiment — 2nd Cavalry Regiment, refers to the regiment's former name, 2nd Armored Cavalry Regiment, largely due to the lack of entertainment/diversions in the regiment's former location at Ft. Polk.
10th Mo-Town — 10th Mountain Division.
10th "We do not Do Mountains" — 10th Mountain Division, from the fact inclusion of 'mountain' in the unit name is for purely historical reasons, much like the 'airborne' in the 101st Airborne Division.
The Air Raft — 82nd Airborne Division From the stylized "AA" cipher (for "All Americans") on the division patch.
Alcoholics Anonymous — 82nd Airborne Division From the stylized "AA" cipher on the division patch.
All African — 82nd Airborne Division From the stylized "AA" cipher on the division patch.
"The Baghdad Express" - 6th Motor Transportation Bn., 4th MLG., US Marine Corps Reserve. So named during Desert Storm, and again used in OIF.
"The Band-Box Troop" — F Troop, 7th Cav (c 1876), for its spit-polish.
"The Big Dead One" — 1st Infantry Division, a play on its more common nickname, "The Big Red One".
"The Big Red One" — 1st Infantry Division, from the shoulder patch.
The Blackhorse — 11th Armored Cavalry Regiment. In the early 1900s, the regiment was camped at the Presidio, and the residents of San Francisco nicknamed the regiment due to majority of their horses being black in color.
BDO — 1st Infantry Division, from the abbreviation of its nickname, "The Big Dead One".
Black Hearts — 2nd Armored Division, for their behavior during WWII.
Bloody Bucket — 28th Infantry Division, named so by the Nazis, for their red keystone flash and vicious fighting tactics during the Normandy Campaign.
BRO — 1st Infantry Division, from the abbreviation of its nickname, "The Big Red One".
Bridge Humpers The 516th Engineer Company, due to their use of the Medium Girder Bridge.
Broken TV — 3rd Infantry Division, due to their patch being square and consisting of alternating blue and white diagonal lines, like a TV on the fritz.
Choking Chickens, Puking Buzzards, or Screaming Chickens — 101st Airborne Division, from "Screaming Eagles" motto and the open-mouthed eagle on the unit patch
Dirty Thirty - 2nd of the 30th Infantry Regiment named so for the bassackwards way they do things
Electric Chili Pepper — the 25th Infantry Division, for their patch
Electric Strawberry — the 25th Infantry Division, for their taro-leaf shaped patch (that resembles a strawberry) with a lightning bolt in the middle.
Exploding Azzhole — the 13th Sustainment Command (Expeditionary)
First Team — First Cavalry Division.
Flaming Azzhole — 9th Infantry Division, now inactive.
Flaming Azzhole — 40th Infantry Division, for the appearance of the sun symbol of their subdued patch.
Flaming Azzholes — 69th Air Defense Artillery Brigade (Germany), for the appearance of the patch: two shooting stars in a "69" configuration with black holes in the center.
Gaggin' Dragon — The XVIII Airborne Corps, from their unit patch.
Great Beret Give-Away — 82nd Airborne Division. Light infantry units typically used this, because previous to the army switching to berets, this was the only division-sized unit that wore berets. Infantrymen thought it insulting to warriors that even administrative clerks in the 82nd wore berets.
Gray Horse — E Troop, 7h Cav (c 1876), for its preference in color of mount.
Hell on Wheels — 2nd Armored Division for their bad behavior prior to WWII in Georgia.
Hundred and Worst — Description for 101st Airborne Division
Ivy Division — 4th Infantry Division whose patch has four ivy leaves. Also described as "four 2LT's pointing north".
JJ/Jumping Junkies — late 1960s to 80s term for the 82nd Airborne due to the high amount of drug use within the unit.
Leaning Shythouse — 1st Corps Support Command (now 1st Sustainment Command) units, due to the unit patch, an arrow pointing to the 11 o'clock position 
LIBERATORS — 14th Armored Division
Nasty Girls, Nasty Guard, No-Go (sometimes pronounced phonetically as "November Golf"), Trailer Trash — National Guard soldiers
Real Army — Active Duty/Regular Army component soldiers, from the Component abbreviation of RA, and the inference that Reserves and National Guard soldiers aren't "Real Soldiers".
Rainbow — 42nd Infantry Division, from their unit patch.
Rainbow Coalition (pejorative) — 42nd Infantry Division, mocking on the unit patch.
Red Devils — [58th Combat Engineering Company United States Once attached to the 11th ACR (Black Horse)
Rock of the Marne — 3rd Infantry Division, nickname earned in the Battle of the Marne, World War I.
Screaming Eagles — 101st, for the eagle on their shoulders
Screaming Hebrews - 6th Infantry Division due to the unit patch resembling a Star of David. A play on the 101st Airborne Division's motto
T-Patchers — 36th Infantry Division from the "T" on their shoulder patches.
The Deuce — 202nd MI Battalion
The Douche — 202nd MI Battalion
The Varsity — 4th Infantry Division
Triple Deuce — 2-22d Infantry of the 10th Mountain Division
Tropic Lightning — 25th Infantry Division since WW2
Weekend Warriors - Refering to National Guard and Reserve Soldiers
Braggdad — Nickname for Camp Victory/Freedom during OIF 3 for the same reason above.
Defense Love Institute, Desperate Love Institute — Defense Language Institute (DLI)
Edge-Hood — Edgewood Arsenal, Aberdeen Proving Grounds
Fort Marshmello — Fort Monmouth, New Jersey (CECOM HQ)
Fayette-nam — A nick name for Fayetteville, NC, town just outside Fort Bragg, NC. Also "Fatalville" referring to the high crime rate in the bar district there in the 1970s.
Fort Beginning — Fort Benning — Trainees call it this because of the long wait to begin Infantry School. Also called "Fort Bend Me Over" and "The Benning School for Boys."
Fort Blister — Fort B
US Army 19 1/2 year, airborne combat vet of Bosnia, Afghanistan and Iraq with the 82nd ABN, 1st AD, and Eco 51st LRS (ABN), former infantryman of 16 years, current JAG SFC with the 1st ID