Noun
A film that has acquired a cult following.
Synonym: cult movie
Hyponym: cult classic
Used other than figuratively or idiomatically: see cult, film.
Source: en.wiktionary.orgFor whatever reason, every project I do becomes sort of a cult, or a cultish show, you know, like 'Battlestar,' or even a film I did years ago, 'Kalifornia,' people refer to it as a cult film. Michelle Forbes
Cult film fans consider themselves collectors, rather than consumers, as they associate consumers with mainstream, Hollywood audiences. Source: Internet