Arti singkatan pas Chatting

Guys, some of my friend from school , asked me... what's LMAO means ?
Haha...just read this one!!

IMAO/LMAO adalah salah istilah2 yang sering digunakan di internet, forum diskusi, messenger, dll.

IMAO = In My Arrogant Opinion
LMAO = Laughing My A55 Off

Contoh beberapa istilah lainnya :
AFAIC= As far as Im concerned
AFAIK =As far as I know
AFK =Away from keyboard
ASAP = As Soon As Possible
ATM = At the moment
BRB =Be right back
BTDT= Been there, done that
BTW =By the way
BUAG =Butt-ugly ASCII graphic
C/C =Comments and criticism
CMIIW = Correct Me If I'am Wrong
EOM =End of message, dll