stfu = Shut the f**k up!
ROFL = Rolling on floor laughing!
wtf = What the f**k?
wth = What the heck (or hell)?
n00b = Newbie.
balkx = Ball Su*k*r!
pwn = Player Owned!
own = Owned!
-age = A Double skilled word after PWN or OWN. (EX. Pwnage!)
dfs = Dofus!
lol = Laugh out loud!
lool = Laugh out overally loud!
lawl = Laugh at whose laughing!
laawwl = Laughing at a person who was laughing!
ks = Kill Steal.
sob = Son of a b1t*h.
lmao = Laugh my ass off!
lmfao = Laugh my f**king ass off!