A patient is caught sleeping with a prostitute. He runs out of the bedroom naked. Bare buttocks are shown. He then briefly trips and falls on the ground. Partial scrotum can be seen.
A character explains that he had sex with a teenager and that is why he was arrested. He makes reference to "that little red beaver" in his face and how she was very willing even though she was 15.
The main character, McMurphy, makes gestures that imply masturbation. He also makes many crude sexual references throughout the movie.
There are numerous implications of sexual activity throughout the movie
McMurphy holds up a playing card that has a photo of a woman's bare butt and asks "Where do you suppose she lives?"
Very crude sexual references.
No sex. Just some nudity after the sex, but the act is never shown.
Several male patients are shown in their boxer shorts.
Some mild sexual discussion
A side view of bare breasts are shown briefly for a couple of seconds.