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 games such as trivia, but more often used sarcastically when someone has done something foolish. Also, it is now becoming customary for all players to say "gg" when the game is over xhat such games as Xoxo chatunless a player is profoundly displeased with the outcome. Usually used before a non-lawyer 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.
Looking for man
Used by Fark. See SFW.
Used on MUDs and other role-playing games. Also, "out of curiosity.
BMWs totally own. To "Pwn something" means to have complete control over it, and to xoxl "Pwned by something" means to be dominated by it.
The frequent reply to a request for basic help from newbies who have not attempted to find the answer for themselves. See NSFW.
Never seems to be written in small letters. Also is likely to relate to the term lamer. Not a pejorative term but see RTFM, preceding. Xoxo chat spelled n00b, with two zeroes rather than two O's.