A susana is a rare flower among the midst of ordinary garden variety. This can also reffer to a person. A rare person, crafted by god to be perfect. The best friend anyone could ever ask for. trust her with anything and she wont let you down. the most gangster white woman you will ever see; extremely nice and caring. Also see: Awesome, Homie, and lylah. The best roommate anyone could ask for; will give you oranges when you are sick; will lay in bed and watch movies all day.