A man tries to rape a woman but he is stopped in the neck before anything happens.
When arguing why in america female janitors work in male bathrooms, a man looks at said female janitor and asks if she wants a piece of his "big fat d*ck".
A man who is unconscience is seen laying on the ground nude. We do not see his genitals thanks to convenient camera editing, but we can just barely see his buttocks.
At the end of the film, there is a scene taking place in a coed shower. Every one is naked except for Gon's mother, but we only see one man's buttocks (in the background).