blue film

A blue film is a dated but still widely understood term for a pornographic movie. The phrase originated in an era when explicit content was circulated underground, and it remains in common use across South Asia, the Middle East, and parts of Africa, where it's often the preferred polite-ish euphemism for adult content. While younger Western audiences might use more explicit or internet-native terms, 'blue film' carries a certain retro discretion — speaking plainly about something explicit while keeping a layer of old-school indirectness.

(slang, cinema, porn) a pornographic film.