One leading theory suggests the term stems from the "blue pencils" used by censors to mark explicit or inappropriate scenes for removal. A Discreet Code:
The closest real artifacts are:
Part of the "Olga" exploitation series. These women-in-prison films are direct ancestors of Blue Film Tarzan thinking: take a recognizable genre (jungle/fight) and inject sleaze. No actual sex, but immense violence and nudity. video blue film tarzan x extra quality
