AFK : Away From Keyboard
BRB : Be Right Back
BTW : By The Way
BS : Bullsh*t
Cya : See You
FFS : For F*ck's Sake
FOAD : F*ck Off And Die!
FU : F*ck You!
G2G : Got To Go
GG : Good Game
GJ : Good Job
Hax0r : Hacker, cheater
JK : Just Kidding
J00, j00, joo : You
leet, l33t, 1337, 31337 : Elite
LMAO : Laughing My Ass Off
LMFAO : Laughing My F*cking/Fat Ass Off
LOL : Laughing Out Loud
NJ : Nice Job
NP : No Problem
NT : Nice Try
OMG : Oh My God/Gosh
OMFG : Oh My F*cking God/Gosh
Plz : Please
ROFL : Rolling On Floor Laughing
ROFLMAO : Rolling On Floor Laughing My Ass Off
STFU : Shut The F*ck Up
Sux0rz : Sucker, Sucks
TBH : To Be Honest
Thx : Thanks
TTYL : Talk To You Later
W/e : Whatever
WTF : What The F*ck
WTH : What The Hell
N1 : Nice One
Noob, n00b : Newbie, inexperienced
Owned, 0wned, Ownage : Dominated, domination
Pr0n : Pornography, porn
Pwn : Total Domination
R0x0rz : Rocking, rocks