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?"

Some sexual jokes and dialogue and two brief instance of non-graphic nudity.

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.

At many points during the film, the patients fight the orderlies. Many punches are thrown and despite very little blood during these scenes, it can still be somewhat violent but nothing graphic.

A character falls onto broken glass. Some blood is seen. This isn't violent but can be somewhat shocking.

The orderlies and mental patients would often swear a lot

2 uses of motherfucker.

Nicholson says GD at least a dozen times.

36 uses of "fuck" (A couple are heard to hear)".

1 use of "cunt".

Many uses of other words, such as "shit", "SOB", "Jesus Christ".

People are seen taking medication for mental disorders. They are never misused throughout the movie.

There is alot of smoking during the film.

Overall, not that much drug use is in the movie. All drugs presented are legal and are used in a medicinal context

There is some drinking during the film and many charaters are seen under the influence of alcohol at some points.

Nurse Ratched's emotionless expressions give her a somewhat unsettling presence.

While this movie can be very Intense for some viewers, there are still some moments that are intended to be comedic and lighthearted to ease the tension.

Squeamish viewers might shy away from the scene when McMurphy and the others are preparing the fishing line by stabbing the hooks through the eyes of the smaller bait fish.

As a whole, the movie is very depressing and cynical.