2) Wearing your pants like that started in prison when two guys would be together and wearing your pants like that would show you were taken and not available.
3) courtesy of egriz10 http://www.youtube.com/watch?v=tMwhl4IrPNc&feature=related
2) Wearing your pants like that started in prison when two guys would be together and wearing your pants like that would show you were taken and not available.