AFAIK - As Far As I Know
AFK - Away From Keyboard
AKA - Also Known As
ASAP - As Soon As Possible
A/S/L - Age/Sex/Location
BTW - By The Way
BRB - Be Right Back
FAQ - Frequently Asked Questions
FYI - For Your Information
FWIW - For or What It's Worth
FUBAR - Fed Up Beyond All Recognition
IMHO - In My Humble Opinion
IMO - In My Opinion
IYKWIM - If You Know What I Mean
LOL - Laughing Out Loud
LMAO - Laughing My Ass Off
LMFAO - Laughing My Fucking Ass Off
NTA - Non-Technical Acronym
OK - abbreviation of oll korrect (all correct)
OTOH - On The Other Hand
PMJI - Pardon My Jumping In
PS - Post Script
TIA - Thanks In Advance
TPTB - The Powers That Be
TTFN - Ta Ta For Now
RE - Hi Again (same as re's)
ROTFL - Rolling On The Floor Laughing
ROTFLMAO - Rolling On The Floor Laughing My Ass Off
RTFM - Read The (Fucking) Manual
SO - Significant Other
SOHF - Sense Of Humor Failure
SPAM - Stupid Persons' AdvertiseMent
WB - Welcome Back
WRT - With Respect To
WYSIWYG - What You See Is What You Get
YMMV - Your Mileage May Vary
YWIA - You're Welcome In Advance