224 --- \"today, tomorrow, forever\"
2B - \"to be\"
2B||!2B -- \"to be or not to be\"; from the C Programming Language logic operation \'OR\'(\"||\") and \'NOT\'(\"!\").
2TM --- \"to the max\"
4 - \"for\"
4ever --- \"forever\"
ACK --- \"acknowledged\"; used frequently in discussion boards, tech-speak
AFAIC --- \"as far as I\'m concerned\", or \"as far as I care\", or \"as far as I can...\"
AFAICS --- \"as far as I can see\"
AFAICT --- \"as far as I can tell\"
AFAIK --- \"as far as I know\"
AFAIR --- \"as far as I recall\", or \"as far as I remember\"
AFC --- \"away from computer\"
AFK --- \"away from keyboard\"
AICMFP -- \"and I claim my five pounds\"
AIUI --- \"as I understand it\"
AKA --- \"also known as\"
ASAP --- \"as soon as possible\"
ASL --- \"age, sex, location\"; used when a user wants to find out more (i.e. age, sex and location) about a fellow user. Also used as an introductory phrase.
ATM --- \"at the moment\"
B2B --- \"business to business\"
B4 --- \"before\"
B4N - \"bye for now\"
BBL --- \"be back later\"
BBS --- \"be back soon\", or \"bulletin board service\"
BC, b/c --- \"because\"
bf --- \"boy friend\"
BFD --- \"big fucking deal\"
BFN --- \"bye for now\"
BRB --- \"be right back\"
BTW --- \"by the way\"
BW --- \"bandwidth\"
b/t --- \"between\"
CID --- \"consider it done\"
cu --- \"see you\"; used as a goodbye.
CSL --- \"can\'t stop laughing\"
CWOT --- \"complete waste of time\";
cya --- \"see you\"; used as a goodbye.
CYS --- \"check your settings\"; a phrase often said by technical support staff of a certain Australian ISP.
C&V --- \"chapter & verse\"; used in newsgroups.
C|N>K --- \"coffee through nose into keyboard\"; a Unix-ism meaning.
DC\'d --- \"disconnected\"
DGT --- \"don\'t go there\"
DL, d/l --- \"download\"; receiving data from a remote host. Usually functions as a noun or verb. Can sometimes mean \"down-low\", as taken from real-life usage.
DMY --- \"don\'t mess yourself\"; from an episode of The Simpsons.
DON --- \"Denial-of-Normal\"; Originally used on Slashdot (http://slashdot.org/articles/04/04/01/2241240.shtml?tid=126&tid=95)
dun --- \"don\'t\"; commonly used by Singaporeans.
dunno --- \"(I) don\'t know\"
EG --- \"evil grin\", normally written *EG* or to separate it from the surrounding text.
EIL --- \"explode into laughter\"
EOM --- \"end of message\"
FAQ --- (formal) \"Frequently Asked Question\"
FE --- \"fatal error\"
FFS --- \"for fuck\'s sake!\"
FUD --- Fear, Uncertainty and Doubt; purposeful spread of misinformation.
frag --- To kill or tear to pieces. Its origin comes from fragmentation.
FO --- \"fuck off!\"
FOAD --- \"fuck off and die!\"
FOAF --- \"friend of a friend\"; the dubious attribution given to urban legends
FTP --- \"File Transfer Protocol\"
FTTB --- \"for the time being\"
FU --- \"Fuck you\"
FWIW --- \"For what it\'s worth\"
FXP --- \"File eXchange Protocol\"
FYI --- \"for your information\"
G --- \"grin\", normally written *G* or to separate it from the surrounding text
G2G, GTG --- \"got to go\", also \"good to go\" in MMORPG or MUD settings (both MMORPGs and MUDs are role-playing games played online by many players).
G4Y, GFY --- \"good for you\", or \"go fuck yourself\"; the use of this acronym is ambiguous and not recommended.
GAGF --- \"go and get fucked\"
GAL --- \"get a life\"
gf --- \"girl friend\"
GG --- \"good going\" or \"good game\"; used sincerely in online games such as trivia, but more often used sarcastically when someone has done something foolish. Also, it is now becoming customary for all players to say \"gg\" when the game is over in such games as Counter-Strike, unless a player is profoundly displeased with the outcome.
GG --- \"genuine girl\", sometimes used on chat sites to indicate that the user is female, rather than simply pretending to be.
GL --- \"good luck\"
GMTA --- \"great minds think alike\"
GJ --- \"good job\"
Gr8 --- \"great\", sometimes spelled gre8t even though it doesn\'t make the word any shorter.
GTH --- \"go to hell\"
GW --- \"good work\", often used sarcastically.
H8 --- \"hate\", or \'H1\' to \'H9\' to indicate how much a person hates something.
HAND --- \"have a nice day\"
HB --- \"hurry back\"
HF --- \"have fun\"
HTH --- \"hope this (or that) helps\"
IANAL --- \"I am not a lawyer\"; usually used before a non-lawyer gives legal advice, as a humorous disclaimer.
IANARS --- \"I am not a rocket scientist\"
ic --- \"I see\", also \"in character\" in MMORPG or MUD settings (both MMORPGs and MUDs are role-playing games played online by many players).
ICYDK / ICYDN / ICUDK -- \"in case you didn\'t know\"
IDK --- \"I don\'t know\"
IIRC --- \"if I recall correctly\"
IIUC --- \"if I understand correctly\"
IM --- \"instant message\", can be used as a verb. past tense is \"IM\'d\"
IMO --- \"in my opinion\"
IMHO --- \"in my humble opinion\", or \"in my honest opinion\"
IMNSHO --- \"in my not so humble opinion\"
INMP --- \"it\'s not my problem\"
INTPFPOTM --- \"I nominate this post for post of the month\"; incredibly obscure
IOH --- \"I\'m outta here\"
IOW --- \"in other words\"
IRC --- \"Internet Relay Chat\"
IRL - \"in real life\"
IRT --- \"in reply to\"
ISTR --- \"I seem to recall\"
IYDMMA --- \"if you don\'t mind me asking\"
JJ --- \"just joking\"
JK, J/K --- \"just kidding\"
JOOC --- \"just out of curiosity\"
K --- \"OK\"
KISS --- \"keep it simple stupid\"
L8 --- \"late\"
L8R --- \"later\"; as in \"see you later\"
LEET, L33T, 1337, 31337 --- \"elite\"
LIGAS --- \"like I give a shit\"
LMAO --- \"laughing my ass off\"
LOL --- \"laughing out loud\", or \"lots of laughs\"; as a reply to something amusing. Also \"lots of love\" (not as common).
Loxxen --- an altered form of LOL, with virtually the same meaning, but slightly enhanced.
LTNS --- \"long time no see\"
m8 --- \"mate\"
MOTD --- \"Message of the Day\"
MYOB --- \"mind your own business\"
N/A --- \"not applicable\"
NBD --- \"no big deal\"
NI --- \"no idea\"
NM, NVM --- \"never mind\"
NOYB --- \"none of your business\"
NP --- \"no problem\"
NSFW --- \"not safe for work\"; indicates that a link should be avoided due to pornography or other content unsuitable for the workplace. Used by Fark and some message boards. See also SFW.
NT --- \"no text\"; used on Internet forums or Usenet to indicate that a post has no content. Also, \"nice try\"; used by gamers.
n/m --- \"not much\", \"never mind\"
O --- \"oh\"
oic --- \"oh, I see\"
OMG --- Exclamation, \"oh my God!\"
OMFG --- Exclamation, \"oh my fucking God!\"
OMFL --- Exclamation, \"oh my fucking lag!\"
OOC --- \"out-of-character\"; usually in MMORPG or MUD settings (both MMORPGs and MUDs are role-playing games played online by many players). Also, \"out of curiosity\".
OP --- Original Poster
OT --- \"off topic\"
OTOH --- \"on the other hand\"
P2P --- \"Peer-to(2)-Peer\" also pay-to-play for games you pay to play like Everquest or Dark Age of Camelot
PFO --- \"please fuck off\"
PITA --- \"pain in the ass\"
PICNIC --- \"Problem In Chair, Not In Computer\"
pls, plz --- \"please\"
PO, PO\'d --- \"piss off\", or \"pissed off\"
POS --- Parents Over Shoulder (warning, by kids, that parents may be watching); Piece Of Shit
POV --- \"point of view\"
R --- \"are\"
RD --- \"Red Dwarf\"
R8 --- \"right\"
RL --- \"real life\"; usually in MMORPG or MUD settings (both MMORPGs and MUDs are role-playing games played online by many players).
ROFL, ROTFL --- \"rolling on the floor laughing\"; as a reply to something extremely amusing.
ROFLMAO, ROTFLMAO --- \"rolling on the floor laughing my ass off\"; as a reply to something extremely amusing.
RTFA --- \"read the fucking article\"; applies mostly to Slashdot threads, for users who make comments on a story without having read it first.
RTFM --- \"read the fucking manual\" or \"read the fine manual\"; the frequent reply to a request for basic help from newbies who have not attempted to find the answer for themselves.
RTFP --- \"read the fucking post\"; derived from RTFA and also used on Slashdot.
RU --- \"are you\"
S --- \"smile\", usually written *S* or to separate it from the surrounding text
SCNR --- \"sorry, could not resist.\"
SH --- \"shit happens\"
SO --- \"significant other\"; a termed encapsulating a girlfriend, boyfriend, or spouse.
SFW --- \"safe for work\"; material (pictures, webpages) that is safe for the office. Used by Fark. See also NSFW.
Smeg --- Meaning the same as \"fuck\" or \"bugger\" (popularized by Red Dwarf a British TV sitcom)
STFU --- \"shut the fuck up\"
TBH --- \"to be honest\"
thanx. thnx, thnz, thx, thz --- \"thanks\"; this can be combined into \'kthx\' (OK, thanks), \'plzkthx\' (Please, OK, thanks), and \'kthxbye\' (OK, thanks, goodbye)
TIA --- \"thanks in advance\"
TMAI --- \"tell me about it\"
TMI --- \"too much information\"
TPTB --- \"the powers that be\"
TTFN --- \"ta ta for now\"
TTYL --- \"talk to you later\"
TTYS --- \"talk to you soon\"
TY -- \"thank you\"
u --- \"you\"
ur --- \"you\'re\" or \"your\"
UL, u/l --- \"upload\"; sending data to a remote host.
VFM --- \"value for money\"
VWEG --- \"very wicked evil grin\"
w8 --- \"wait\"
WAI --- \"what an idiot\"
WB --- \"welcome back\"
WDUWTA --- \"what do u wanna talk about?\"
WEG --- \"wicked evil grin\"
WG --- \"wicked grin\"
WTF --- \"what the fuck?\"; Also \"who the fuck?\", \"why the fuck?\", etc. given the context.
WTG --- \"way to go!\"
WTH --- \"what the heck?\", or \"what the hell?\"
wut --- \"what\"
w/ --- \"with\"
w/e --- \"whatever\"
w/o --- \"without\"
WYSIWYG (pron. \"wizzywig\") --- \"What you see is what you get\". Originally used to refer to a printing system that would put on the paper the exact pixels that were on the screen, as with the original Macintosh and ImageWriter. More recently used to refer to the style of making webpages that arose through the use of HTML-generators such as MS Frontpage, Dreamweaver, etc. and implies that the output is usually crude and does not transfer well across all settings.
X>* --- definition of something [X] is better than everything [*].
YHBT --- \"you have been trolled\"
YHL --- \"you have lost\"
YMMV --- \"your mileage may vary\"
YNK --- \"you never know\"
YW --- \"you\'re welcome\"
_|_ --- an offensive emoticon signifying the middle finger