TTYL
talk to you later
GOAT
greatest of all time
TGIF
Thank God it's Friday
L8R
later
ILY
I love you
YOLO
you only live once
JK
just kidding
BTW
by the way
BRB
be right back
IDK
I don't know
NVM
nevermind
LOL
laughing out loud
IRL
in real life