Internet Slang

AFAICT As Far As I Can Tell

AFAIK As Far As I Know
AFK Away From Keyboard
AIUI As I Understand It
AKA Also Known As
ASL Age / Sex / Location
B4 Before

BAK Back At Keyboard
Barf It doesn't work!
BBL Be Back Later
BCNU Be Seeing You
Bogus Non-functional or just ugly
BRB Be Right Back
BSF But Seriously Folks
BST But Seriously Though
BTDT Been There Done That
BTSOOM Beats The Shit Out Of Me
BTW By The Way
BWQ Buzz Word Quotient
CLM Career Limiting Move
CUL(8ER) See You Later
DWIM Do What I Mean
DWISNWID Do What I Say Not What I Do
DYJHIW Don't You Just Hate It When
ESAD Eat Shit And Die (F*ck off!!)
ETLA Extended Three Letter Acronym
F2F Face To Face
FAQ Frequently Asked Question(s)
FFS For Fucks Sake
FOAD Fuck Off And Die
FOAF Friend Of A Friend
FOC Free Of Charge
FOO FUBAR
Fortune Cookie Quote of the day
FTP File Transfer Protocol
FUBAR Fucked Up Beyond All Recognition. Like FOO this is an anonymous name used when you don't want to give real information. In this way you do have a name (abstract).
FWIW For What It's Worth
FYA For Your Amusement
FYE For Your Entertainment
FYI For Your Information
GA Go Ahead
GAL Get A Life
GIGO Garbage In Garbage Out (When dealing with programs and websites: when input information is not real or complete, the outcome will be unreliable.)
GR&D Grinning, Running & Ducking
HHOJ Ha Ha, Only Joking
HHOS Ha Ha, Only Serious
HRU How Are You
HTML HyperText Markup Language
HTTP HyperText Transfer Protocol
IAE In Any Event
IANAL I Am Not A Laywer
IBN I'm Buck Naked
ICMP Internet Control Message Protocol
IIRC If I Recal Correctly
IMBO In My Bloody Opinion
IME In My Experience
IMHO In My Humble Opinion
IMNSHO In My Not So Humble Opinion
IMO In My Opinion
IOW In Other Words
IRC Internet Relay Chat
IRL In Real Life
ISTM It Seems To Me
ISTR I Seem To Recall
ITRO In The Region Off
ITRW In The Real World
IWBNI It Would Be Nice If
JAM Just A Minute!
KISS Keep It Simple, Stupid
L8R Later
LOL Laughs Out Loud / Lots Of Laughter
LMAO Laughing My Ass Off
MFTL My Favourite Toy Language
MORF Male Or Female?
MOTAS Member Of The Appropiate Sex
MOTOS Member Of The Other Sex
MOTSS Member Of The Same Sex
MUD Multi User Dungeon (Often: online Dungeons & Dragons rollplay)
MUG Multi User Game
NALOPKT Not A Lot Of People Know That
NFWM No Fucking Way Man
NIFOC Nude In Front Of Computer
NRN No Reply Necessary
OAO Over And Out
OBTW Oh, By The Way
OEM Original Equipment Manufacturer
OIC Oh, I See
OMG Oh My God
OTOH On The Other Hand
OTT Over The Top
PD Public Domain
PITA Pain In The Arse
POD Piece Of Data
RFD Request For Discussion
ROFL Rolls On The Floor Laughing
RSN Real Soon Now
RTFAQ Read The FAQ
RTFM Read The Fucking Manual (Am.: Read The Fine Manual)
RUOK Are You OK?
SITD Still In The Dark
SMOP Small Matter Of Programming
SNAFU Situation Normal, All Fucked Up
SNR Signal To Noise Ratio
SO Significant Other (=partner)
SOL Shit Outta Luck
STFU Shut The Fuck Up
TANSTAAFL Their Ain't No Such Thing As A Free Lunch
TCB Trouble Came Back
TDM Too Damn Many
TIA Thanks In Advance
TIC Tongue In Cheek
TLA Three Letter Acronym
TMTLTBMG There's More To Love Than Boy Meets Girl
THX Thanks
TPTB The Powers That Be
TTFN Ta Ta For Now
TTYL Talk To You Later
TVM Thanks Very Much
UBD User Brain Damage
UR(S) Your(s)
VC Virtual Community
VR Virtual Reality
WBNI Would Be Nice If
WRT With Regard To
WTF What The Fuck
WTH What The Hell
WYSIWYG What You See Is What You Get (Can also be said of people!)

YHM You Have Mail