some construction workers gang-rape a young woman in the opening (no nudity)

a man and a woman are seen naked in bed. not much is shown explicitly, but they get out of bed and the woman walks around topless for several minutes

a man's penis is seen for a split second

A boy and a girl having sex up a against a tree in the woods. the boys naked butt are seen. when his body falls down after being killed, the girl's breast are visible.

A girl is killed, and there are two closeup shots of her bare breasts

a dead man's penis is shown very briefly

a dead girl falls down, and the killer shifts her, leaving her crotch briefly visible

a boy and a girl (credited as "lover on car") are having sex on a car hood. her breasts are briefly seen while he is lying on top of her. when the killer appears, the girl sits up, with her rather large breasts exposed until she puts on a see-through bra, which covers it up a bit.

a lot of killings in this film.

many people are shot in the hands, face, chest or crotch with a nail gun

at the end, when the killer is unmaksed, there is blood all over their face as they are dead

Sh_t and _sshole are used sometimes

Ben and Trish smoke weed.