There is a lot of obscene imagery throughout the movie. More often than not, you'll see male genitals, breasts, and vaginas. sometimes lady torsos will be part of backgrounds too.

One of the characters has their torso as their face, with their breasts supposedly being their eyes.

Two people are humping on a bus before being interrupted.

One scene of weird things happening has faint sounds of a woman moaning in pleasure.

Several instances of characters being shot, mostly played for comedic effect and not all that violent.

Willard gets punched in the nads and squeals in pain.

A person is seen and heard vomiting in the restroom sink, though it's not explicitly shown.

Uses of "fuck" can be heard.

The car salesman on TV and the duck drink a bottle of beer once each.

There are a lot of bizarre and sometimes uncomfortable scenes throughout the movie. One of them having lot of bizarrely obscene stuff happening, it's really a trip.