The 5 main characters are all shown at some point fully naked from the the front for several seconds

A man is seen having intercourse with another women, but no genitals are seen

A man is seen under bed sheets giving a blowjob, the act is not seen but implied

The main characters are all seen either alone, and all together masturbating (doing it to each other as well), no genitals seen

A guy undresses so another guy can draw him nude; full frontal nudity shown. A man is naked except for a hat over his groin; he removes the hat and his penis is shown; his buttocks are shown as he turns to walk away.

There are some gay slurs throughout

The F word is used every once in a while

Many sexual innuendos