Internet chat abbreviations

AFAIC - As far as I'm concerned
AFAIK - As far as I know
AFK - Away from keyboard
BRB - Be right back
BTDT - Been there, done that
BTW - By the way
C/C - Comments and criticism
FAQ - Frequently Asked Questions.
FTW - For the win
FWIW - For what it's worth
FYI - For your information
HTH - Hope this helps
IIRC - If I recall correctly
IMHO - In my humble opinion
IMNSHO - In my not so humble opinion
IMO - In my opinion
IOW - In other words
LMAO -Laughing my butt off
LOL - Laughing out loud
NG - Newsgroup
n00b - From "newbie", meaning a newcomer not yet familiar with the rules
OTOH - On the other hand
RL - Real Life, as opposed to the Internet
ROFL - Rolling on the floor laughing
ROFLMAO - Rolling on the floor laughing my butt off
RTFM - Read The Fine Manual.
TLA - Three letter acronym
TTFN - Ta ta for now
TTYL - Talk to you later
w00t - An expression of joy
WFN - Wrong forum, noob
WTF - What the heck
YMMH - You might mean here
{g} - Grin
{BG} - Big grin

Emoticons.

Emoticon - Emotion - Interpretation
:) or :-) - Happy - This was a joke.
;) or ;-) - Happily winking - I'm pulling your leg.
:P or :-P - Sticking out tongue - "Nyahh" or "Bleh".
:D or :-D - Open-mouthed grin - I'm delighted!
:( or :-( -Unhappy - I'm sad about this.
:~( - Crying - I'm VERY sad about this.
:-| - Unemotional - I'm less than thrilled.
>:-( - Very unhappy - I'm upset!
8-) - Wide-eyed happiness - This surprised me.
:-O - Shouting - I'm yelling, and likely upset!
8-O - Wide-eyed shouting - I'm even more upset!
>8-O - Mad wide-eyed shouting - Now I'm really angry!
|-| - Asleep - Zzzzzz...
==|:-) - Silly - I'm Abraham Lincoln (top hat).

P.S. Why doesn't Blogger do tabs???