1. One who spends his/her entire day in chat rooms because he/she is socially inept and incapable of meeting people in the real world.
2. One who not only lives in chat rooms, but also knows various people online (that they've never actually met in person) on a first name basis.
3. Chat room dweller who incessantly makes use of lame insults or phrases when being verbally attacked online.
4. One who constantly talks tough in chat rooms but never actually follows through in his/her actions.
I was in a chat room on AOL and this net fag kept using incoherent insults like, "you're poking the lion and asking for trouble, boy." I was thinking, "wtf?"