Bosnian Revolver
Bosnian Revolver: an abstract phrase used to reference a certain pornographic action. A Bosnian revolver is when someone usually a women lays down on a revolving, circular table with men standing around it and they take turns having intercourse with the women spinning her from person to person.
That girl is such a slut, I heard in college she was on the receiving end of a Bosnian Revolver