1.People who attempt to boost their self-esteem or confidence by posting their most negative and stereotypical beliefs from the scial barrier of the Internet.
2.A person of low intellect.
3.A person incapable of earning their own living.
4.A person who, due to some profound physical/biological anomaly, is incapable of feeding, dressing, or bathing themselves.
5.Not necessarily somebody who goes to a particular website, enjoys a kind of music, supports a certain political party, etc. but a general description for a number of human beings regardless of race, nationality, religion(or lack thereof), etc.
6.A general social commentary used by people who believe that they are more inteligent than the other which basically means, "I don't like you, so I'm going to try to insult you."