AAMOF - As a matter of fact
AFAIK - As far as I know
BAC - By any chance
B4 - Before
B4N - Before now
BBL - Be back later
BRB - Be right back
BTW - By the way
CMIIW - Correct me if I´m wrong
CUL - See you later
DH - Darling Husband, Dear Husband, Darn Husband - depends on discussion
DW - Darling Wife, Dear Wife, Darn Wife - see above
DD - Dear Daughter
DS - Dear Son
EOF - End of file
FITB - Fill in the blank
4U - For you
F2F - Face to face
FWIW - For what it´s worth
GMTA - Great minds think alike
HTH - Hope this helps
IAC - In any case
IKWUM - I know what you mean
IMHO - In my humble opinion
IMO - In my opinion
IOW - In other words
IYKWIM - If you know what I mean
J/K - Just kidding
JM2C - Just my two cents
KWIM - Know what I mean
LOL - Lots of laughs OR Laughing out loud
NN2R - No need to reply
OIC - Oh, I see
OTOH - On the other hand
ROTFL - Rolling on the floor laughing
ROTFLMAO - Rolling on the floor laughing my a#@ off
SICS - Sitting in the chair snickering
TIA - Thanks in advance
TNX or TXS - Thanks
TTFN - Ta-ta for now
2L8 - Too late
2U - To you
WB - Welcome back
WTG - Way to go
YSR - Yeah, sure, right
YWIA - You´re welcome in advance