Common acronym for a Rich White Lady. Any woman who is white and is between 30-80 years, Protestant , extraordinarily wealthy and learned. They usually host charity funds and are philanthropists looking down on minorities and poor people.
Bobby: Hey, where did you get that?
Leonard: Oh a rich white lady gave it to me on the street
Bobby: Really where?
Leonard: By the corner street, dude it's a RWL convention there.
Bobby: Heck I'm going there