A-Z
AFAIK : as far as I know
AFK : away from keyboard
ARE : Acronym-rich environment
ASAP : as soon as possible
A/S/L : age / sex / location
BB4N : Bye for now
BAK : Back at the keyboard
BBIAB : Be back in a bit
BBL : Be back later
BBS : be back soon
BEG : Big evil grin
BFD : Big f***ing deal
BFN : Bye for now
BG : Big grin
BIOYIOP : Blow it out your I/O port
BL : Belly laughing
BOTEC : Back-of-the- envelope calculation
BRB : Be right back
BTA : But then again?
BTW : By the way
BUMP : Used on forums to bring a topic back to the top
BWL : Burst With Laughter
BWTHDIK : But what the heck do I know??
CCU : See you
CUL : See you later
CUL8ER : See you later
CYA : Cover your ass
CYO : See you online
DDBA : Doing business as
DFLA : Disenhanced four-letter acronym (that is, a TLA)
DL : Dead link
DIKU : Do I know you?
DITYID : Did I tell you I?m distressed?
DQMOT : Don?t quote me on this
E EG : Evil grin
EMFBI : Excuse me for butting in
EOM : End of message
EOT : End of thread (meaning: end of discussion)
ETLA : Extended three-letter acronym (that is, an FLA)
FF2F : Face to face
FAQ : Frequently-ask question(s)
FFS : for f***'s sake
FISH : First in, still here
FLA : Four-letter acronym
FMTYEWTK : Far more than you ever wanted to know
FOMCL : Falling off my chair laughing
FUBAR : F***ed up beyond all repair or recognition
FU : f*** you
FUD : Fear, Uncertainty, and Doubt
FWIW : For what it?s worth
FYI : For your information
GG : Grin
G2G : Got to go
GA ; Go ahead
GAL : Get a life
GD&R : Grinning, ducking, and running
GIWIST : Gee, I wish I?d said that
GMTA : Great minds think alike
GOL :Giggling out loud
GTRM : Going to read mail
GTFO : get the f*** out
GTG : got to go
HHB : hurry back
H/O : hold on
HTH : Hope this helps
IIAC : In any case
IANAL : I am not a lawyer (but)
IC : I see
IDK : I don?t know
IHA :I hate acronyms
IIRC : If I recall/remember/ recollect correctly
ILU or ILY : I love you
IM : Immediate/Instant message
IMHO : In my humble opinion
IMing : Chatting with someone online usually while doing other things such as playing trivia or other interactive game
IMNSHO : In my not so humble opinion
IMO : In my opinion
IOW : In other words
IPN : I?m posting naked
IRL : In real life
IYSWIM : If you see what I mean
JJBOD : Just a bunch of disks (like redundant array of independent disks, etc.)
JIC : Just in case
JK : Just kidding
J/K : just kidding
K KOTC : Kiss on the cheek
KWIM? : Know what I mean?
LL8R : Later
LD : Later, dude
LDR : Long-distance relationship
LMAO : laugh my ass off
LLTA : Lots and lots of thunderous applause
LMAO : Laugh(ing) My Ass Off
LMFAO : laugh my f***ing ass off
LMLYG : Let Me Let You GoLOL : Laugh(ing) Out Loud
LRF : Little Rubber Feet (the little pads on the bottom of displays and other equipment)
LTM : Laugh to myself
LTR : Long-term relationship
LULAB : Love you like a brother
LULAS : Love you like a sister
M MorF : Male or female
MOSS : Member of the same sex
MOTOS : Member of the opposite sex
MUSM : Miss you so much
NNM : Not much
NFG : No f*****g good
NFI : no f***ing idea
NFW : No feasible way or no f*****g way
NIFOC : Naked in front of computer
NP or N/P : No problem
NRN : No response necessary
OOIC : Oh, I see
OLL : Online love
OTF : Off the floor
OTOH : On the other hand
OTTOMH : Off the top of my head
OMG : oh my God
OMFG : oh my f***ing God
OP : original poster
PPANS : Pretty awesome new stuff (as opposed to ?POTS?)
PCMCIA : People can?t master computer industry acronyms
PDA : Public display of affection
PEBCAK : Problem exists between chair and keyboard
PIBKAC : Problem is between keyboard and chair
PITA : Pain in the ass
PM : private message
PMFJIB : Pardon me for jumping in but?::
POOF:: : Goodbye (leaving the room)
POS : Parent over shoulder (change the topic)
POTS : Plain old telephone service
PU : That stinks!
RRL : Real life (that is, when not chatting)
ROFL : rolling on floor laughing
ROR : Raffing out roud (Engrish for ?laughing out loud?)
ROTFL : Rolling on the floor laughing
ROTFLMAO : Rolling on the floor laughing my a** off
ROTFLMAOWPIMP : Rolling on the floor laughing my a** off while peeing in my pants
ROTFLMBO : Rolling on the floor laughing my butt off
RPG : Role-playing games
RSN : Real soon now
RTFM : Read the f***ing manual
RTM : read the manual
RYO : Roll your own (write your own program; derived from cigarettes rolled yourself with tobacco and paper)
SS4L : Spam for life (what you may get when you become someone?s customer or client)
SHCOON : Shoot hot coffee out of nose
SEG : S***-eating grin
SF : Surfer-friendly (low-graphics Web site)
SFW : safe for work
SNAFU : Situation normal, all f***ed up
SO : Significant other
SOHF : Sense of humor failure
SOL : Smilling out loud or sh*t out of luck
SOMY : Sick of me yet?
STFU : shut the f*** up
STFW : Search the f*****g Web
STW : Search the Web
SWAG : Stupid wild-a** guess
TTAFN : That?s all for now
TANSTAAFL : There ain?t no such thing as a free lunch
TBH : to be honest
TC : take care
TFH : Thread from hell (a discussion that just won?t die and is often irrelevant to the purpose of the forum or group)
TGIF : Thank God it?s Friday
THX : Thanks
TIA : Thanks in advance (used if you post a question and are expecting a helpful reply)TLA : Three-letter acronym
TLK2UL8R : Talk to you later
TMI : Too much information
TOPCA : Til our paths cross again (early Celtic chat term)
TPTB : The powers that be
TTFN : Ta-Ta for now
TTT : Thought that, too (when someone types in what you were about to type)
TTYL : Talk to you later
TU : Thank you
TTFN : ta ta for now
TTYL : talk to you later
TY : thankyou
UUAPITA : You?re a pain in the ass
UW : You?re welcome
V VBG : Very big grin
VBSEG : Very big s***-eating grin
VM : Visitor Message
WWDALYIC : Who died and left you in charge?
WFM : Works for me
WIBNI : Wouldn?t it be nice if
WRT : With respect to
WTF : what the f***
WT? : What/who the ?
WTFO : What the F***! Over!
WTG : Way to go!
WTGP? : Want to go private?
WTH : what the hell
WU? : What?s up?
WUF? : Where are you from?
WYSIWYG : What you see is what you get
WB : welcome back
WE : whatever
W/ : with
W/O : without
YYW : you're welcome
YGBSM : You gotta be s***tin? me!
YMMV : Your mileage may vary.