FTW :P (for the win), AKA (also known as), mz (met zone), brb (be right back), brt (be right there), roflmao (roll on floor my *** out
) ), nvm (it's nvm not nm, nm is nothing much nvm is never mind), plix(HAHhHAa the br for please), Mast0r(self explained
), pk(player kill), pkp (player kill points), rg(right gate), lg (DOH left gate), omg(oh my ***) omfg(oh my *******/freaking ***), fb(fast blade), ss(scent sword), nado(tornado...oviously), ft(fire taoist), wt(water taoist), plvl equips(power leveling equips [with SRG's]), rat (the blue mouse[*** I hate that critter]), rmd(real metdove), md (metdove), nd (night devil), dh (divine hare), cy(cyclone)....
EDIT: (more words) l8(late), wts(want to sell), S>(selling), B>(buying), T>(trading), 4got(forgot), play(this is used when a player *usually a water-water or troj/warr* invites the other to fb with him to see which one is more skilled)hyh(hold your horses),wtb (want to buy), gc(guild conducter*they are gc 1 2 3 4*), gw(guild war), fps(dunno if someone actually uses this but it's frames per second), GL(guild leader), DL (deputy leader), bn(black name), rn(red name), F1(lab floor number 1), F2(nr2), F3(nr 3), F4(nr4), ks (kill steal), wz(wine zone), hw (health wine) ts(team spot)yan(you're a nub), fo(**** off)
I'll update when some more words come to mind
~TroGuY