Matt's (Joseph Millson) butt is seen in episode 4.

Pervasive sexual references, and occasional fondling over clothes, actual sex is mostly implied.

None

Pervasive lanuage and pervasive uses of the f-word.

In one episode, it includes a bleeped use of cunt

Sexual references are also pervasive.

Beer and cigarretes are used occastionally.

One episode shows a use of crystal meth in a sex scene