Oh, I found the abbreviations at WDW Info. Here it is:
AE - Alien Encounter
AKA - Also Known As
AK - Animal Kingdom
AKL - Animal Kingdom Lodge
AP - Annual Pass
APR- Annual Pass Rate
ASAP - As Soon As Possible
ASM - All-Star Music
AS Sport - All Star Sports
ASMo - All Star Movies
B&C - Beaches & Cream
B&TB - Beauty & the Beast
BB - Blizzard Beach
BC - Beach Club
BGT - Busch Gardens Tampa
BIL - Brother in Law
BRB - Be Right Back
BTMR - Big Thunder Mountain Railroad
BTTF - Back to the Future
BTW - By The Way
BW - Boardwalk
BWV - Boardwalk Villas
BWI - Boardwalk Inn
CB- Generally Used As Community Board
CBJ - Country Bear Jamboree
CBR - Caribbean Beach Resort
CC - Webmaster CathyCanada
Cindy's - Cinderella's Royal Table
CITH - Cat in the Hat
CG - California Grill
CM - Cast Member
CM's - Chef Mickey's
CONT - Contemporary
CoP - Carousel of Progress
CP - Crystal Palace OR Candlelight Processional
CR - Contemporary Resort
CRO - Central Reservations Office
CRT - Cinderella's Royal Table
CS - Coronado Springs
CW - Citywalk
DC - Disney Club
DCA - Disney's California Adventure
DCL - Disney Cruise Line
DD - Downtown Disney
DD - Dear (Darling, Disney) Daughter
DDM - Downtown Disney Marketplace
DDWS - Downtown Disney West Side
DF - Dear (Darling, Disney) Fiance(e)
DH - Dear (Darling, Disney) Husband
DI - Disney Institute
DIS - Disney Information Station
DIS Meet - A gathering of other visitors to this web site in a predetermined place. These meets happen in Disney World, and in cities all around the country (and the world!)
DL - DisneyLand
DLH - Disneyland Hotel
DLP - Disneyland Paris
DLR - Disneyland Resort
DQ- DisneyQuest
DS - Dear (Darling, Disney) Son
DU- Dreams Unlimited Travel
DVC - Disney Vacation Club
DW - Dear (Darling, Disney) Wife
EA- Emerald Aisle
EC- Emerald Choice
EE - Early Entry
EWP - Electric Water Pageant
FDP - Fanstasmic Dinner Package
FFC - Flying Fish Cafe
FIL - Father In Law
FOTL - Front of the Line
FP - FastPass
FTLK - Festival of the Lion King
FW - Fort Wilderness OR Future World
FWIW - For What It's Worth
FYI - For Your Information
GC - Grand Californian
GF - Grand Floridian
GG - Garden Grill
GKTW - Give Kids the World
GMR - Great Movie Ride
GMTA - Great Minds Think Alike
GoH - Guest of Honor
H&V - Hollywood & Vine
HDDR - Hoop Dee Doo Review
HH - Hilton Head
HIFS- Holiday Inn Family Suites
HISTA - Honey I Shrunk the Audience
HM - Haunted Mansion OR Hidden Mickey
HoB - House of Blues
HoND - Hunchback of Notre Dame
HoP - Hall of Presidents
HRH - Hard Rock Hotel
HTH - Hope That Helps
IASM - It's a Small World
IC - I see
IG - International Gateway
IMHO - In My Humble Opinion
IMNSHO - In My Not So Humble Opinion
IMO - In My Opinion
IoA - Islands of Adventure
ITTBAB - It's Tough to Be a Bug
JC - Jungle Cruise
JIYI - Journey Into Your Imagination
J/K - Just Kidding
JPRA - Jurassic Park River Adventure
JTA - Journey to Atlantis
KRR - Kali River Rapids
KTTW - Key To The World
LC - Le Cellier
LMAO - Laughing My A** Off
LOL - Laughing Out Loud
LOS - Length-of-stay
LTT - Liberty Tree Tavern
MCO- Orlando International Airport
MGM - Disney-MGM Studios
MiB - Men in Black
MIL - Mother In Law
MK - Magic Kingdom
MNSSHP - Mickey's Not So Scary Halloween Party
MSEP - Main Street Electrical Parade
MVMCP - Mickey's Very Merry Christmas Party
NoJ - Night of Joy
OKW - Old Key West
OMG - Oh My Gosh
OT - Off Topic
OTOH - On the Other Hand
P&PD - Prayers and Pixie Dust
PAP - Premium Annual Pass
PBH - Portofino Bay Hotel
PC - Pop Century
PH - Park Hopper
PI - Pleasure Island
PIC - Picture
PM - Private Message
PO - Port Orleans
PoC - Pirates of the Caribbean
Poly - Polynesian
POFQ - Port Orleans French Quarter
POR - Port Orleans Riverside
PP - Paradise Pier
PS- Priority Seating
R&C- Rose And Crown Pub
RC - River Country
Ressie - Reservation
RFC - Rainforest Cafe
RnR - Rock 'n' Roller Coaster
ROFLMAO - Rolling on the Floor Laughing My A** Off
ROFLOL - Rolling on the Floor Laughing Out Loud
SD- Walt Disney World Swan and Dolphin
SE - Spaceship Earth
SIL - Sister in Law
SM - Spectromagic OR Space Mountain OR Splash Mountain
SO - Significant Other
SoC - Soaring Over California
SoG - Shades of Green
SW - Sea World
T23D - Terminator 2 - 3D
TIA - Thanks in Advance
TDL - Tokyo Disneyland
TDS - The Disney Store
TL - Typhoon Lagoon
TMI - Too Much Information
TOD - Tapestry of Dreams
TON - Tapestry of Nations
ToT - Tower of Terror
TT- Test Track
TTA - Tomorrowland Transit Authority
TTC Transportation and Ticket Center OR Tiffany Towncar
TTFN - Ta Ta For Now
TTYL - Talk To You Later
UAL- United Airlines
USF - Universal Studios Florida
UMP - Unlimited Magic Pass
UPH - Ulitmate Park Hopper Pass
V&A - Victoria & Albert's
VB - Vero Beach
WC - Whispering Canyon
WDT - Walt Disney Travel
WDW- Walt Disney World
WDWCP - Walt Disney World College Program
WL - Wilderness Lodge
WLV - Wilderness Lodge Villas
WS - World Showcase
WWoS - Wide World of Sports
WWTBAM - Who Wants To Be A Millionaire - Play It!
Y&BC - Yacht & Beach Club
YC - Yacht Club
YMMV - Your Mileage May Vary