This is a person that will instigate a fight between himself/herself and another person on their friends list by alluding towards the person in a negative manner either indirectly or directly, usually through blogs, comments or bulletins. The other person will usually retaliate, and start a "myspace war." The drama often ends up affecting both persons in real life, along with other mutual friends that are involved.
Kim is acting like such a myspace drama whore. Why doesn't she get a real life and grow up?