A state of mind where players of the game Final Fantasy XI get all sad and lonley for no apparent reason.
Can occur in the most sensible players of the game, and is often a sign that trouble is ahead.
ffxi emo can occur for multiple reasons
Drama over stolen items can make a player /emo
Friends leaving the game can make a player /emo
The Dark Knight Job Class from FFXI has a hidden Emo Job Trait