Nice 2 meet u = Nice to meet you
2nite = tonight
b4 = before
OIC = oh I see
BFN = Bye for now
ASAP = As soon as possible
FYI = For your information
JK = Just kidding
LMK = Let me know
FAQ = Frequently Asked Question
FYA = For your amusement
FB = Facebook
Plz = Please
Thx = Thanks
L8r = Later
U = You
R = Are
f2t = free to talk
srsly = seriously
sum1 = someone