There are lots more out there, only some are not suitable to type here..
I have always thought the D in DS, DD and DH was Darling.
Although I have also substituted it with other things..
AM
AFN that's All For Now
AKA Also known as
AOTA All Of The Above
a/s/l or
asl Age/Sex/Location - (used to ask a chatter their personal information)
BAK Back At Keyboard (I'm back)
BBL Be Back Later
BBS Be Back Soon
BFN Bye For Now
BR Best Regards
BRB Be Right Back
BRH Be Right Here
BTW By The Way
CUL8R See You Later
CUOL See You On Line
CYA See Ya
DD, DS, DH, Darling or Dear: Dear Son, Dear Daughter, or Dear Husband. Usually exchanged in family chats.
EOT End Of Thread (meaning end of discussion)
FAQ Frequently Asked Question
FITB Fill In The Blanks
FWIW For What It's Worth
FYI For Your Information
GMTA Great Minds Think Alike
GTR Got To Run
H&K Hugs and Kisses
HAGD Have A Good Day
HB Hurry Back
IB I'm Back
IM Instant Message
IMHO In My Humble Opinion (or In My Honest Opinion)
IMO In My Opinion
IYO In Your Opinion
JK Just Kidding
JMO Just My Opinion
JW Just Wondering
LOL Laughing Out Loud
LTNS Long Time No See
LTS Laughing To ones Self
Newbie refers to a person who is new to an area . Also seen as nube, nooby, nubie, nb, etc.
nm, or NM Never Mind
NP, np No Problem
NT No Thanks
OBTW Oh, By The Way.
OJ or
OK Only Joking or Only Kidding
OMG Oh My Gosh (although it's usually used with the Lords name in place of "gosh")
OT Off Topic
OTOH On The Other Hand ...
OTOMH Off the Top of My Head ...
P911 My parents are in the room. P=Parents, and 911=emergency, in other words either drop the subject, or watch the language.
PITA Pain In The ….
PLZ Please
PLS Please
PM Private message
POTS Plain Old Telephone Service
POS Parents are looking Over my Shoulder.
POTS Parents Over The Shoulder - (My parents are watching, I can't really talk)
(Guess then we parents should have..
KOS and
KOTS.)
PPL People
RFC Request For Comments
ROFL Rolling On Floor, Laughing
ROFL can have a few more letters attached when being crude.
SN Screen Name. The name or member selected by person in an IM or chat program.
TC Take Care
TFH Thread From ****
TY Thank you
TM Text Message (often refers to communications with text over cell phones)
TMI. Too Much Info(information)
TPS That's Pretty Stupid
TPTB The Powers That Be (can sometimes refer to the people that are running the chat room or server)
TTFN Ta-Ta For Now
TY Thank You
WB Welcome Back (you say this when someone returns to a chat room)
WC WelCome
YBS You'll Be Sorry
YVW You're Very Welcome
YW You're Welcome