These are just a few of the widely used abreviations you will come accross while
in the chat room.

afk - away from keyboard
a/s/l - age/sex/location
bak - back at keyboard
brb - be right back
btu - back to you
gl - good luck
gl2u - good luck to you
gr8 - great
hb - hurry back
irl - in real life
imo - in my opinion
lol - laughing out loud
Otfl - on the floor laughing
r - are
ty - thank you
u - you
wb - welcome back
wtg - way to go
YW - you're welcome
1tg, 2tg, 3tg etc. - one/two/three numbers left to bingo.