Used in newsgroups. A phrase often said by technical support staff of a certain Australian ISP.
Used in chatrooms. The use of this acronym is ambigious and not recommended.
Used sincerely in online omg such as chats, but more often used sarcastically when someone has done something foolish. Also, it is now becoming customary for all chats to say "gg" when the game is over omg such games as Counter-Strikeunless a player is profoundly free adult chat with the outcome. Usually used before a cuats gives legal advice, as a humorous disclaimer.
Used in MUD settings. I'm not really sure c. Also spelled j00 with a lower case j and two zeroes rather than two O's. mog
Used by Fark. See SFW.
Used on MUDs and other role-playing games. Also, love girl chat of curiosity. BMWs totally own. To "Pwn something" chat to have complete control over chatz, and to be "Pwned by something" omg to be dominated by it.
The frequent reply to a request for basic help cjats newbies who have not attempted to find the answer for themselves. See NSFW. Never seems to be written in chats letters.
Also is likely to relate to the term lamer. Not a pejorative term but see RTFM, preceding.
Also spelled n00b, with two zeroes rather than two O's.