AFAIK = As Far As I Know

AFK = Away From Keyboard

ASAP = As Soon As Possible

BAS = Big Ass Smile

BBL = Be Back Later

BBN = Bye Bye Now

BBS = Be Back Soon

BEG = Big Evil Grin

BF = Boyfriend

BFF:Best Friend For life Or Best Friend Forever

BIBO = Beer In, Beer Out

BRB = Be Right Back

BTW = By The Way

BWL = Bursting With Laughter

C&G = Chuckle and Grin

CICO = Coffee In, Coffee Out

CID = Crying In Disgrace

CNP = Continued (in my) Next Post

CP = Chat Post(a chat message)

CRBT = Crying Real Big Tears

CSG = Chuckle Snicker Grin

CYA = See You (Seeya)

CYAL8R = See You Later (Seeyalata)

DLTBBB = Don't Let The Bed Bugs Bite

EG = Evil Grin

EMSG = Email Message

FC = Fingers Crossed

FTBOMH = From The Bottom Of My Heart

FYI = For Your Information

FWIW = For What It's Worth

GAL = Get A Life

GF = Girlfriend

GFN = Gone For Now

GMBA = Giggling My Butt Off

GMTA = Great Minds Think Alike

GTSY = Glad To See You

H&K = Hug and Kiss

HABU = Have A Better 'Un

HAGN = Have A Good Night

HAGU = Have A Good 'Un

HHIS = Hanging Head in Shame

HUB = Head Up Butt

IAE = In Any Event

IC = I See

IGP = I Gotta Pee

IMNSHO = In My Not So Humble Opinion

IMO = In My Opinion

IMCO = In My Considered Opinion

IMHO = In My Humble Opinion

IOW = In Other Words

IRL = In Real Life

IWALU = I Will Always Love You

JMO = Just My Opinion

JTLYK = Just To Let You Know

KIT = Keep In Touch

KOC = Kiss On Cheek

KOL = Kiss On Lips

L8R = Later

L8R G8R = Later 'Gater

LHM = Lord Help Me

LHO = Laughing Head Off

LHU = Lord Help Us

LMAO = Laughing My Ass Off

LMSO = Laughing My Socks Off

LOL = Laugh Out Loud

LSHMBB = Laughing So Hard My Belly is Bouncing

LSHMBH = Laughing So Hard My Belly Hurts

LSHTTARDML = Laughing So Hard The Tears Are Running Down My Leg

LTNS = Long Time No See

LTS = Laughing To Self

LUWAMH = Love You With All My Heart

LY = Love Ya

MTF = More To Follow

NRN = No Reply Necessary

NADT = Not A Darn Thing

OIC = Oh, I See

OL = Old Lady (significant other)

OM = Old Man (significant other)

OTOH = On The Other Hand

OTTOMH = Off The Top of My Head

PDS = Please Don't Shoot

PITA = Pain In The Ass

PM = Private Message

PMFJI = Pardon Me For Jumping In

PMP = Peed My Pants

POAHF = Put On A Happy Face

QSL = Reply

QSO = Conversation

QT = Cutie

ROFL = Rolling On Floor Laughing

ROFLAPMP = ROFL And Peeing My Pants

ROFLMAO = ROFL My Ass Off

ROFLMAOAY = ROFLMAO At You

ROFLMAOWTIME = ROFLMAO With Tears In My Eyes

RTFM = Read The Fucking Manual!

SETE = Smiling Ear To Ear

SHID = Slaps Head In Disgust

SNERT = Snot-Nosed Egotistical Rude Teenager

SO = Significant Other

SOT = Short Of Time

SOTMG = Short Of Time Must Go

SWAK = Sealed With A Kiss

SWAS = Scientific Wild A$$ Guess

SWL = Screaming with Laughter

SYS = See You Soon

TA = Thanks Again

TGIF = Thank God It's Friday

TCOY = Take Care Of Yourself

TILII = Tell It Like It Is

TNT = Till Next Time

TOY = Thinking Of You

TTFN = Ta Ta For Now

TTYL = Talk To You Later

WAS = Wild Ass Guess

WB = Welcome Back

WTH = What/Who The Heck (or sub an 'F' for the 'H')

YBS = You'll Be Sorry

YG = Young Gentleman

YL = Young Lady

YM = Young Man