ILY
I love you
FYI
For your information
IMO
In my opinion
LMK
Let me know
2NITE
Tonight
CUL8R
See you later
ROFL
Rolling on floor laughing
BDAY
Birthday
FAQ
Frequently asked questions
ASAP
As soon as possible
4EAE
Forever and ever
CYE
Check your email
BTW
By the way
GR8
Great