This can be considered dark comedy and it's "attempted" rape.

This is the original movie.

"The Little Shop of Horrors is a 1960 dark comedy film directed by Roger Corman. The film is famous for having been shot in two days. The film tells the story of a nerdy young florist's assistant who cultivates a plant that feeds on human blood and flesh. The film is also noteworthy for featuring a young Jack Nicholson in a small role as Wilbur Force, the dentist's masochistic patient...."