Much similar to east and west/ north and south side unwritten zoning laws among underprivledged/well armed african americans, the Dark Side is one of many locations that a Star Wars fanboy (or Jedi) may reside to seek out refuge from polar gangs (often known as the light side, or "rebels")
However, by claiming a title from any of these nerd zoning laws, one automatically delays the next time he/she/it will have sexual contact of any sort. Also, Dark side members take a massive karma loss, but may wear sith armor.
Tim joined the dark side, and is now an evil sith lord. Let us beat him up my fellow negroes.