Urban Nagger
A person, usually a female age 10-21, who comes to UrbanDictionary to whine and moan about things they don't like. Some of these things include celebrities, television shows, homework, boys, etc.
You'll find some Urban Naggers if you search Miley Cyrus, Paris Hilton, Jonas Brothers, Lindsay Lohan, iCarly, Nickelodeon, Disney Channel, etc.