There are some naked moments

There are a few sex scenes between the two lead characters.

There are two occasions of full frontal nudity where the genitals can be clearly seen.

There are two occasions where the genitals are glimpsed. As man bathes, his genital area and penis are briefly viewed.

The two men are sitting on a couch and begin passionately kissing, they strip and one man masturbates the other. He is later shown with semen on his abdomen.

In another sex scene, the two characters are both naked, uncovered, on a bed (only rear nudity shown). One man's head is in the other man's crotch, it is clear he is performing oral sex. After, one man is shown on top of the other, thrusting.

There is a lot of graphic dialogue about masturbation and sex.

None

The word 'f--k' is used about 15-20 times, both sexual and otherwise. 'C--t' and 's--t' are used a few times, as well as 'bastard', 'cock' and other sexual terms.

One character smokes cigarettes.

Both lead characters smoke marijuana frequently.

In one scene the two main characters take a lot of cocaine.

Casual beer drinking and liquor.