DBDDHKP - war so ziemlich die erste Abkürzung - die ich auch verstanden habe.
AFAIC - As Far As I'm Concerned
AFAIK - As Far As I Know
AFAYC - As Far As You're Concerned
AFK - Away From Keyboard
AISI - As I See It
AKA - Also Known As
ALOL - Actually Laughing Out Loud
AML - All My Love
ANFSCD - And Now For Something Completely Different
ASAP - As Soon As Possible
ASL - Age/Sex/Location
ASLMH - Age/Sex/Location/Music/Hobbies
ATM - At The Moment
AWOL - Absent Without Leave
B/C - Because
B4 - Before
BAK - Back At Keyboard
BBFN - Bye Bye For Now
BBL - Be Back Later
BBS - Be Back Soon
BBSL - Be Back Sooner or Later
BCNU - Be Seeing You
BCOZ - Because
BEOS - Nudge
BFN - Bye For Now
BKA - Better Known As
BRB - Be Right Back
BRT - Be Right There
BTW - By The Way
BUAYA - To Sweet Talk You
CFV - Call For Vote
CU - See You (good bye)
CUL - See You Later
CUL8ER - See You Later
CY - Calm Yourself
CYA - Cover Your A__
DH - Dear Hubby (Husband)
DL - Download
DMI - Don't Mention It
DOD - We could tell you but then we'd have to kill you!
DUCT - Did You See That?
EG - Evil Grin
EL - Evil Laugh
F2F - Face to Face
FAQ - Frequently Asked Questions
FAQL - Frequently Asked Questions List
FAWC - For Anyone Who Cares
FFK - Fong Fei Kei - To Stand You Up
FOAF - Friend Of A Friend
FTASB - Faster Than A Speeding Bullet
FTF - Face To Face
FTL - Faster Than Light
FUBAR - F_____d Up Beyond All Recognition
FWIW - For What It's Worth
FYA - For Your Amusement
FYI - For Your Information
GA - Go Ahead
GALGAL - Give A Little Get A Little
GBH - Great Big Hug
GD&R - Grinning, Ducking and Running (usually after snide remark)
GG - Good Game
GGN - Gotta Go Now
GL - Good Luck
GMTA - Great Minds Think Alike
GR8 - Great
HIH - Hope It Helps
HILIACACLO - Help I Lapsed Into A Coma And Can't Log Off
HTH - Hope This Helps
HUGZ - Hugs
IAE - In Any Event
IANAL - I Am Not A Lawyer
IAT - I am Tired
IC - I See
ICBW - I Could Be Wrong
IDK - I Don't Know
IGTP - I Get The Point
IHNO - I Have No Opinion
IHTFP - I Have Truly Found Paradise (I Hate This F_____n Place)
IIR - If I Recall
IIRC - If I Recall Correctly
IM - Instant Message
IMAO - In My Arrogant Opinion
IMHO - In My Humble Opinion
IMNSHO - In My Not-So-Humble Opinion
IMO - In My Opinion
INPO - In No Particular Order
IOW - In Other Words
IRL - In Real Life
IYKWIM - If You Know What I Mean
IYKWIMAITYD - If You Know What I Mean And I Think You Do
JK (or J/K) - Just Kidding
JM2C - Just My 2 Cents
JT - Just Teasing
K - Okay
KBD - Keyboard
KEWL - Cool
KOK - Knock
KOTC - Kiss On The Cheek
KOTL - Kiss On The Lips
L8R - Later
LMAO - Laughing My A__ Off
LOL - Laughing Out Loud
LOLA - Laugh Out Loud Again
LOOL - Laughing Outragously Out Loud
LWR - Launch When Ready
LYLAS - Love You Like a Sister
MOMPL - One Moment Please
MOO - Multi-user Dungeon Object-Oriented
MOTAS - Member Of The Appropriate Sex
MOTOS - Member Of The Opposite Sex
MOTSS - Member Of The Same Sex
MSG - Message
MTBF - Mean Time Between Failure
MTFBWY - May The Force Be With You
MUAK - Smooch
MUD - Multiple User Dungeon
MUSH - Multi User Shared Hallucination
N/A - Not Acceptable
N1 - Nice One
NDA - Non-Disclosure Agreement
NM - Nevermind
NP - No Problem
NRN - No Reply Necessary
NTK - Nice To Know
OB- - Obligatory (as a prefix)
OBJOKE - Obligatory Joke
OIC - Oh, I See!
OK - All Correct (I Approve)
OMG - Oh My God
ONNA - Oh No, Not Again
ONNTA - Oh No, Not This Again
OOI - Out Of Interest
OS - Operating System
OTOH - On The Other Hand
OTOOH - On The Other Other Hand
OUSU - Oh, You Shut Up
PD - Public Domain
PDA - Public Display of Affection
PIAK - Slap In The Face
PITA - Pain In The A__
PLS - Please
PM - Personal Message
PMFJI - Pardon Me For Jumping In
PMIGBOM - Put Mind In Gear Before Opening Mouth
PMJI - Pardon My Jumping In
POV - Point of View
PPL - People
PS - Post Script
QL - Quit Laughing!
QS - Quit Scrolling
QT - Cutie
RBAY - Right Back At Ya
RE - Regards or Hello Again
RFC - Request For Comments
RFD - Request For Discussion
RFI - Request For Information
RL - Real Life
ROFL - Rolling On Floor Laughing
ROFLASTC - Rolling On Floor Laughing And Scaring The Cat
ROFLGO - Rolling On Floor Laughing Guts Out
ROFLMAO - Rolling On Floor Laughing My A__ Off!
ROFLOL - Rolling On Floor Laughing Out Loud
ROTFL - Rolling On The Floor Laughing
ROTFLABIC - Rolling On The Floor Laughing And Biting Into Carpet
ROTFLOL - Rolling On The Floor Laughing Out Loud
RTFAQ - Read The FAQ
RTFM - Read The F___ing Manual
RX - Regards (Regs)
SCNR - Sorry Couldn't Resist
SED - Said Enough Darling
SF - Science Fiction
SFETE - Smiling From Ear To Ear
SMAIM - Send Me An Instant Message
SME - Subject Matter Expert
SNAFU - Situation Normal, All F___ed Up
SNAILMAIL - Postal Mail Service
SO - Significant Other (e.g., spouse, boy/girlfriend)
SOHF - Sense Of Humor Failure
SPAM - Stupid Persons' Advertisement
SSEWBA - Someday Soon, Everything Will Be Acronyms
SU - Shut Up
STFU - Shut The F____ Up
SWAG - Scientific Wild A__ Guess
SWALK - Sealed With A Loving Kiss
TAS - Taking A Shower
TFDS - That's For Darn Sure
THANX - Thanks
THX - Thanks
TIA - Thanks In Advance
TIC - Tongue In Cheek
TNC - Tongue In Cheek
TNX - Thanks
TPTB - The Powers That Be
TSR - Terminal and Stay Resindent
TTFN - Ta Ta For Now
TTYL - Talk To You Later
TWIMC - To Whom It May Concern
TY - Thank You
TYVM - Thank You Very Much
U - You
U2 - You Too?
UR - Your
VBG - Very Big Grin
VBS - Very Big Smile
VEG - Very Evil Grin
VSF - Very Sad Face
W/ - With
W/B - Write Back
W/O - without
WAD - Without A Doubt
WB - Welcome Back
WBS - Write Back Soon
WEG - Wicked Evil Grin
WISP - Winning Is So Pleasureable
WNOHGB - Were No One Has Gone Before
WRT - With Respect To
WT - Without Thinking
WTG - Way To Ggo
WTH - What The Heck
WTTM - Without Thinking To Much
WYSIWYG - What You See Is What You Get
WYWH - Wish You Were Here
XM - Excuse Me
XME - Excuuuuse Me
XO - Hugs, Kisses
Y - Why
YMMV - Your Mileage May Vary
YW - Your Welcome
YWIA - You're Welcome In Advance
ZZZ - Sleeping, Bored, Tired