ACRONYM.

ASL -> What are your age, sex and location?
2NITE-> Tonight.
LUVU-> Love you.
RUOK-> Are you ok?
BBFN -> Bye bye for now
BOL -> Best of luck
B4 -> Before
BBBG -> Bye bye be good
Bcoz -> Because 
IMO -> In my opinion
ZZZ -> I'm tired/I'm bored
RU -> Are you...?
HAGD -> Have a great day
BS -> Big smile
2MORO -> Tomorrow
ILU -> I love you
POS -> Parents over shoulder
AMBW -> All my best wishes