Found this by accident, some are funny.
I'm sure you can all use your imagination to replace the *.

ACE: Ask Chief Everything!
ARMY: Arn't Ready to be Marines Yet!
ARMY: AF Rejected Me Yesterday
BOHICA: Bend Over, Here It Comes Again!
BOSS: Being On Ships Sucks!
BUFF: Big Ugly ****in' Forklift!
CRS: Can't Remember ****!
****: Cilvilan under navel Training
CYA: Cover Your Ass!
DEH: Don't Expect Help!
DICK: Dedicated Infantry Combat Killer.
DILLIGAF: Does it look like I give a ****!
EUSTIS: Even Uncle Sam Thinks It Sucks!
F.A.R.T.: Flatulent Airborne Reaction Team
FIDO: **** It, Drive On!
FIFO: Fit In or **** Off!
FIGMO: **** It, Got My Orders!
FILTAB: **** it, let's take a break!
FLIF: Falkland Islands Laundry Facility
FNG: ****in' New Guy!
FRED: ****ing Retard Extra Dumb.
FT EUSTIS: **** This, Even Uncle Sam Thinks It Sucks!
FTA: **** The Army!
FUBAR: ****ed Up Beyond All Repair!
FUBAR: ****ed Up Beyond Any Recognition
G2G: Good To Go!
HMFIC: Head Mother ****er In Charge.
HUOA: Head Up Ones Ass!
I&I: Intoxication and Intercourse.
KMD: Kiss My Dick!
LGH: Let's Go Home!
LLMF: Lost Like a Mother ****er.
LOST: Looking Over Strange Terrain.
MARINE: Muscles Are Required Intelligence Not Essential
MARINES: Many Americans Running Into Never Ending ****
MARINES: My Ass Rides In Navy Equipment, Sir!
MRE: Meals Rejected by Ethiopians!
MRE: Meals Rejected by the Enemy!
NAVY: Never Again Volunteer Yourself!
NAVY: Need Any Vaseline Yet?
NBC: No Body Cares!
NCO: No Chance Outside
OMGIF: Oh My God, I'm ****ed.
PENIS: Pointless Exercise Not Involving Soldiers.
PFC: Proud ****in' Civilian!
S&E: Salute 'N Execute!
S&G: ****s 'N Giggles!
****: Special High Intensity Training!
SNAFU: Situation Normal, All ****ed Up!
SONFI: Switched Off Not ****ing Interested
SPFO: Some Place ****ing Off!
SWAG: Scientific Wild Ass Guess!
TARFU: Things Are Really ****ed Up.
TEWT: Training Exercise Without Troops.
TURD: Trainee Under Rigid Discipline.
USARMY: Uncle Sam Ain't Released Me Yet! Backwards: Yes My Retarded Ass Signed Up
USARMY: Used, Screwed, And Released My Ass, Yep
USCG: Uncle Sam's Confused Group
USMC: Uncle Sams Misguided Childern
USMC: Unlimited **** Mass Confusion
USMC: U Suckers Missed Christmas
USMC: Urine Samples Make Civilians
USAF: U Suckers Are Fairies
YMRASU: Yes My Retarded Ass Signed Up!