Community jargon

AAMOF

As a matter of fact

AFAIK

As far as I know

AFAIR

As far as I recall

AFK

Away from keyboard

AKA

Also known as

ASAP

As soon as possible

AIUI

A I understand it

ATB

All the best

AWOL

Absent Without Leave (the term originally referred to soldiers who took time off without permission – or deserted).

B4

Before

<BG>

Big grin!

BSOD

Blue Screen of Death (very important for Windows users!)

BAK

Back at keyboard

BBL

Be back later

BBS

Be back soon

BCNU

Be seeing you

BFN

Bye for now

BRB

Be right back

BTDT

Been there, done that

BTW

By the way

CU

See you

CUL

See you later

DYJHIW

Don't you just hate it when ...

<EG>

Evil grin

FAQ

Frequently Asked Question

FWIW

For what it's worth

FYA

For your amusement

<G>

Grin!

g,d&r

Grin, duck and run

g,d&rv,vf

Grin, duck and run very, very fast

IANAL

I am not a lawyer (standard disclaimer)

IANAD

I am not a doctor (standard disclaimer)

IANAG

I am not a geek (if you use this abbreviation, you probably are)

IIRC

If I recall correctly

ISTR

I seem to recall

IYKWIM

If you know what I mean

HIWTH

Hate it when that happens

HTH

Hope that helps

IAE

In any event

IMO

In my opinion

IMHO

In my humble opinion

IMESHO

In my ever so humble opinion

IMNSHO

In my not so humble opinion

IOW

In other words

IRL!

In real life out loud!

JFDI

Just fittingly do it (something like that, anyway).

LOL!

Laugh out loud!

OT

Off topic

OTOH

On the other hand

OTT

Over the top

PITA

Pain In The .. (oh what could that last word be ... Apple?  Aardvark?)

PMJI

Pardon me jumping in

ROFL!

Roll On the Floor Laughing!

RSN

Real soon now (as in “the Word 12 beta will be starting ...”)

TTFN

Ta ta for now (UK only)

TIA

Thanks In Advance (not very popular in the newsgroups; we prefer thanks afterward, and only if we actually gave advice and it worked)

<VBG>

Very Big Grin

<vbeg>

Very big evil grin

WRT

With regard to, With respect to

YKYBOTL

You know you've been on-line too long when ... 

YMMV

Your Mileage May Vary: in other words, you may or may not get the desired results, depending on the context. This one has even inspired a web site: http://www.ymmv.com/

:)

Smile (after having nose amputated)

Smile (prior to above operation)

Frown (at prospect of above operation)

Wink (it's ok you don't need above operation after all)