The following is a compilation of boards and other sources. There is the CM official acronym and then there are those used online which may very from user to user. This is not complete by far.
10-4 = ok or yes
10-7 = off duty for the evening
10-8 = off duty for the day
10-9 = repeat that, I did not understand
101 - Ride is unavailable such as stuck guests, disruptive guests, and idiots who drop stuff onto the tracks of a ride.
102 - Ride is working
104 - Guest with disabilities
105 - Hot Guest (Underaged)
Code U = Urine
Code H = Horse manure on main street. Got that from a thread here.
Code V = Vomit
E-Stop = Emergency Stop as in the ride comes to a screeching halt, NOW.
Power Stop =
20k 20,000 Leagues Under the Sea Former attraction at the Magic Kingdom
A Full name Description
AA = The American Adventure Attraction at Epcot
AA = Audio-Animatronics
AC = The Adventurers Club
AE = Alien Encounter
AK = Disney's Animal Kingdom
AKL = Animal Kingdom Lodge
AP = Annual Pass
AP = Artist Point Restaurant
AS = Disney's All-Star Sports Resort
ASM = Disney's All-Star Music Resort
ASM = Disney's All-Star Movies Resort
BatB = Beauty and the Beast
BB = Blizzard Beach
BC = Beach Club Resort
BCV = Beach Club Villas
BTMRR = Big Thunder Mountain Railroad
BW = Disney's BoardWalk Inn
BWV = Disney's BoardWalk Villas
CB = Character Breakfast
CBJ = Country Bear Jamboree
CBR = Disney's Caribbean Beach Resort
CG = California Grill Restaurant
CM = Cast Member
Cont = Contemporary Resort
CoP = Walt Disney's Carousel of Progress
CP = Candlelight Processional
CP = College Program
CP = Crystal Palace
CR = Casual Regular is a CM. CR is a level of seniority and how many hours that they may be employed
CRO = Central Reservations Office Resort
CRT = Cinderella's Royal Table
CS = Disney's Coronado Springs Resort
CT = Casual Temporary is a CM who works Christmas, Spring Break and summers with short hours.
CW = Comedy Warehouse Pleasure Island
DACS - The Digital Animation Control System
DAK - Disney's Animal Kingdom
DAK Lodge - Disney's Animal Kingdom Lodge
DC - Disney Club
DCA - Disney's California Adventure
DCL - Disney Cruise Lines
DCR - Davy Crocket Ranch
DD - Downtown Disney
DD - Disney Dollars
DDM - Downtown Disney Marketplace aka. DVM - Disney Village Marketplace
DI - Discovery Island (101 perm)
DI - Disney Institute
DiVERSitY* - Respect Appreciated Value Everyone
DL = Disneyland
DLH= Disneyland Hotel
DLP = Disneyland Paris Disney
DLP - Disneyland Pacific Hotel
DLR = Disneyland Resort which includes DL, DCA, Downtown Disney and the hotels.
D-MGM - Disney-MGM Studios
DOS - Deviation of shift
DQ - DisneyQuest
DREA - Disney Resort Experiences Are Magical
DRC - Disney Reservation Center
DSA - Disney's Special Activiites
DTC or TC - Disney Travel Company
DTD - Downtown Disney
DU - Disney University
DV - Disney Village Marketplace
DVC - Disney Vacation Club
DW - Walt Disney World Resort
DWWS - Disney's Wide World of Sports
DxL - Disney's Dixie Landings Resort (retired)
EA or CEA - Casting Employment Assistant
EC = Epcot Theme park
ECV = Electric Convenience Vehicle = Electric Scooter = A device used to destroy things, run over people and to empower the user with the right to be a pompous arse and SG.
ED = Euro Disney which is now DLP
EE = Expedition Everest
El Cap = El Capitan Theatre
EMH = Extra Magic Hours
EPCOT - Experimental Prototype Community of Tomorrow
EPIC - Indiana Jones Epic Stunt Spectacular!
ER - Early Release
ET - E-Ticket
EU - Electric Umbrella
EWP - Electric Water Pageant
FF - Flying Fish
FF - Fireworks Factory
FFF = Flik's Fun Fair )DLR)
FoTLK = Festival of the Lion King Show
FQ = French Quarter which is a section of Port Orleans French Quarter Resort
FP = Fastpass
FTS - Florida Tourist Sales
FW, FtW, or Fort- Disney's Fort Wilderness Campground
FW - Future World
FWH - Disney's Fort Wilderness Homes
GC = Guest Control
GCH = Grand Californian Hotel
GF = Disney's Grand Floridian Resort and Spa Resort
GMR = The Great Movie Ride Attraction
GN = Grad Night
GR - Guest Relations
GSM - Guest Satisfaction Measurement or Manager
GSR - Guest Service Recovery
GT - General Teller
Grand - Grand Floridian
Guard - Lifeguard
HDD - Hoop De Do Revue
HISTA = Honey, I Shrunk the Audience
HKDL = Hong Kong Disneyland
HM = The Haunted Mansion Attraction
HM = Hidden Mickey A shape that looks like Mickey Mouse
HMH = Haunted Mansion Holiday
HNY - Hotel New York
HOB - House of Blues
HOLA - promotes Hispanic culture and business
Hold - Hold the ride
HoND - Disney's The Hunchback of Notre Dame - A Musical Adventure
HoP - The Hall of Presidents
Hort - Horticulture
HSFe - Hotel Santa Fe
IASW = It's A Small World
I-Drive - International Drive
IG - International Gateway
Indy or IJA = Indiana Jones Attraction
ITTBAB= It's Tough To Be A Bug
JC = Jungle Cruise Attraction
JIYI = Journey Into Your Imagination
KK - Keys to the Kingdom Tour
KRR - Kali River Rapids
KS or KSR = Kilimanjaro Safaris Attraction
L&S = Lilo and Stitch
LBV = Lake Buena Vista
LK = Lion King
LoLo - Legend of the Lion King (Magic Kingdom)
LOS - Length of Stay Passport (retired)
Lib Sq - Liberty Square
LPAD - Luncheon Pad
LS - The Living Seas
Magic - The Disney "Magic"
Mansion - The Haunted Mansion
MAoWtP - Many Adventures of Winnie the Pooh
MAPO - Disney's Manufacturing And Production Organization
MB - Magnolia Bend (part of a resort)
MCO = Orlando International Airport
ME = Magical Express Transportation service from the airport
MGM = Disney-MGM Studios Theme park
MK = Magic Kingdom Theme park
MKC = Magic Kingdom Club
MS = Mission: SPACE Attraction
MS - Main Street
MSS - Monster Sound Show
MSEP - Main Street Electrical Parade
MTWR - Mr. Toad's Wild Ride
MV3D - Jim Henson's Muppet*Vision X3D 4D
MVMCP - Mickey's Very Merry Christmas Party
NA - Neon Armadillo
NBC - Newport Bay Club
NoJ - Night of Joy
NOS - New Orleans Square
ODF - Outdoor Foods
ODV = Outdoor Vending
OG = Operating Guidelines
OKW or OKWR = Disney's Old Key West Resort
OPR - Old Port Royale
Ops - Operations
O-town - Orlando
PC - Disney's Pop Century Resort
Poly or PBR = Polynesian Resort
PI = Pleasure Island Night
PIAP - Pleasure Island Annual Pass
PM = Peoplemover
PO = Disney's Port Orleans Resort
PoC = Pirates of the Caribbean Attraction at the Magic Kingdom
POFQ = Port Orleans French Quarter
Poly = Disney's Polynesian Resort
PotC = Pirates of the Caribbean
PPH or PP = Paradise Pier
PS = Priority Seating
RC = River Country water park which closed long ago
RCID Reedy Creek Improvement District
http://www.rcid.org/
RFC = Rain Forest Cafe
RFP = Regular Part Time is a CM
RFT = Regular Full Time is a CM guaranteed 40 hours a week.
RNR = Rock 'n' RollerCoaster Attraction
SAP = Special Assistance Pass
SB - Stormalong Bay
Screamin' = California Screamin'
SE or SSE = Spaceship Earth Attraction
SFRT = Swiss Family Robinson Treehouse
SL = Sequoia Lodge
SM or SplM = Splash Mountain Attraction
SM = Space Mountain
SoG = Shades of Green Resort
ST = Star Tours Attraction
TDL - Toyko Disneyland
TDA - Team Disney Anaheim: The on-site administration building
TDS - Toyko DisneySea
TL = Typhoon Lagoon Water park
TL = Fantasyland
ToT = The Twilight Zone Tower of Terror
TSI = Tom Sawyer Island
TT = Test Track Attraction
TTA = Tomorrowland Transit Authority Attraction
TTC Transportation and Ticket Center which is where you buy tickets and catch a ride to parks and resorts.
UMP = Unlimited Magic Pass
UoE = Universe of Energy
V&A = Victoria and Albert's
VB = Vero Beach
VM = Disney Village Market
VMK = an online simulation game aka Virtual Magic Kingdom
VW = Vista Way
VotLM = Voyage of the Little Mermaid Attraction
WDI = Walt Disney Imagineering
WDS = Walt Disney Story
WDS = Walt Disney Studios in Paris
WDTC or WDT = Walt Disney Travel Company
WDW = Walt Disney World Resort
WED = Walt Elias Disney
WH = World Hopper tickets
WHS = Wildhorse Saloon
WL = Disney's Wilderness Lodge Resort
WLV = Wilderness Lodge Villas
WoD = Disney's World of Disney
WoL = Wonders of Life
WoM = World of Motion
WS = World Showcase
WS = West Side (part of Downtown Disney)
WWoS or WWS = Disney's Wide World of Sports Sport
YC/BC is also Y&B = Disney's Yacht and Beach Club Resort
YC = Disney's Yacht Club Resort
YES = Youth Education Series