A list of common IRC abbreviations, these abbreviations are also used in instant messages like MSN and MXIT. You will even see a lot of these abbreviations used in smses
AFK — away from keyboard
ATM — at the moment
BAK — back at keyboard
BBIAF — be back in a few
BBL — be back later
BRB — be right back
BTW – by the way
CU — see you
C U L8R — see you later
C Ya — see ya
DL — download
EG — evil grin
FWIW — for what it’s worth
FYA — for your amusement
FYI — for your amusement
GMTA — great minds think alike
GR&D — grinning, running, and ducking
IMO — in my opinion
IMHO — in my humble opinion
IOW — in other words
IRL — in real life
LOL — laughing out loud
LTNS — long time no see
L8R — later
NP — no problem
OIC — oh I see
OTB — off to bed
RL — real life
ROFL — rolling on floor laughing
RTM — read the manual
TIA — thanks in advance
TTFN — ta-ta for now
TTYL- – talk to you later
WB — welcome back
WTG — way to go