Cannibal Holocaust
Cannibal Holocausti is not as much a film as a bunch of Nature Channel footage with some Spice Channel stuff spliced in. There's some monkeys, some parrots, some guy-on-girl mud action, that sort of stuff.
The footage is noteworthy principally because it contains the unrestrained butchering of a giant turtle, which isn't something you are too likely to otherwise see in your lifetime - not that I see why you'd want to. Also worth the mention, the very frank depiction of natural interaction of nude teenagers, which again isn't something you are too likely to otherwise see in your lifetime. Since I can see why you'd want to, here's a cap :
Things rapidly go south from there.
———- 1980, by Ruggero Deodato, with Francesca Ciardi, Luigina Rocchi, Lucia Costantini. [↩]