JK
just kidding
B4
before
NP
no problem
IDK
I don't know
OMG
oh my God
BTW
by the way
ASAP
as soon as possible
IRL
in real life
THNX
thanks
L8R
later
C U l8r
see you later
2moro
tomorrow
TTYL
talk to you later
BRB
be right back
PLS
please