1BC: One Big Community Forums
2F4W: Too Funny For Words
AFAIC: As Far As I'm Concerned
AFAICR: As Far As I Can Recall
AFAIK: As Far As I Know
AIA: Acro Is Addictive
AISI: As I See It
B4N: Bye for Now
BAG: Big Ass Grin
BAS: Big Ass Smile
BRB: Be Right Back
BTW: By The Way
C3C: Civilization 3 Conquests
CCF: Crippled Computer Fingers
CDG: Creative Design Group
CFC: Civilization Fanatics Center
CGN: Civilization Gaming Network
Civ: The Civilization Series
Civ1: Civilization 1
Civ2: Civilization 2
Civ3: Civilization 3
DG: Game of Democracy (Most likely the single player Civ3 one)
DYHSBTD: Don't You Have Something Better To Do?
EOM: End Of Message
FISH: First in, still here
FOAF: Friend of A Friend
FOBL: Fell outta bed laughing
FOCL: Fell outta chair laughing
FFS: For (Insert "F" Expletive Here) Sake
FWIW: For What It's Worth
GalCiv: Galactic Civilizations
GC: Gamecatchcer
GOTM: Game Of The Month
GTG: Got To Go
HWMBO: He Who Must Be Obeyed
IAE: In Any Event
IDG: Intersite Democracy Game
IIRC: If I Remember Correctly
IMAO: In My Arrogant Opinion
IMHO: In My Humble Opinion
IMNSHO: In My Not So Humble Opinion
IMO: In My Opinion
IOW: In Other Words
LoL: Laughing Out Loud
LMAO: Laughing My Arse Off
LSHISOTS: Laughing So Hard I Spit On The Screen
MGC: Mod Games Challenge
MOATYO: Mind Of A 10-Year Old
MTDG: Multi Team Democracy Game
NCATT: No Comment at This Time
NTTRN: No Time To Reply Now
OIC: Oh, I See
OTOH: On The Other Hand
PBEM: Play By Email
Poly: Apolyton Civilization Site
PTW: Civilization 3 Play the World
REBS: Random External Blows
ROFFNPR: Rolling On the Floor For No Particular Reason
ROTFL: Rolling On The Floor Laughing
SPAM: Some Post Annoying Moderators

TIE: Take It Easy
TTFN: Ta Ta For Now
TTYL: Talk To You Later
WTH: What The (Insert "F" Expletive Here)
WYSIWYG: What You See Is What You Get
YWOTI: You Walk On Thin Ice