Glad to see you
HAGN = Have a good night
HAND = Have a nice day
HIG = How's it going
HT = Hi there
HTH = Hope this helps
IAC = In any case
IAE = In any event
IC = I see
IHA = I hate acronyms
IHU = I hear you
IM = Immediate message
IMCO = In my considered opinion
IMO = In my opinion
IMS = I am sorry
IOW = In other words
IRL = In real life (that is, when not chatting)
IYSWIM = If you see what I mean
JIC = Just in case
JK = Just kidding
JTLYK = Just to let you know
KIT = Keep in touch
KWIM? = Know what I mean?
L8R = Later
L8R G8R = Later gator
LHO = Laughing head off
LOL = Laughing out loud
LTM = Laugh to myself
LTNS = Long time no see
LTR = Long-term relationship
LULAB = Love you like a brother
LULAS = Love you like a sister
MorF = Male or female
MTF = More to follow
MUSM = Miss you so much
NP or N/P = No problem
NRN = No response necessary
OIC = Oh, I see
OMG = Oh my God
OTOH = On the other hand
OTTOMH = Off the top of my head
PM = Private message
QT = Cutie
RL = Real life (that is, when not chatting)
RSN = Real soon now
RT = Real time
SETE = Smiling ear to ear
SO = Significant other
SOMY = Sick of me yet?
SOT = Short on time
SOTMG = Short on time must go
SUP = What's up
SYS = See you soon
TA = Thanks again
TAFN = That's all for now
TCOY = Take care of yourself
TGIF = Thank God it's Friday
THX = Thanks
TLK2UL8R = Talk to you later
TMI = Too much information
TNT = Till next time
TTYL = Talk to you later
TU = Thank you
TY = Thank you
UW = You're welcome
WAYD = What are you doing
WB = Welcome back
WBS = Write back soon
YW = You're welcome