BackFire
Blood. It's nature's lube
Well, since I pretty much pride myself on going out of my way to see the most horrific, disturbing and painful films ever, My list will probably be strange to most of you, since the majority of the titles I list are not mainstreem. But you can rest assured these scenes i list are far worse then anything else out there.
Irriversible - The 13 minute rape scene, shot in one single shot, never cutting, truley disgusting, disturbing and heartbreaking, the way rape should be pertraid. Also the beginning is equally mind bending.
Cannibal Holocaust - This film has several infamouse scenes that are known as some of the most horrific moments ever, the animal deaths, the rape scene, the castration...all are worth mentioning, so that's why I mentiond all of them..
I Spit on your Grave - This is another one that has numerous scenes, the castration scene is truley nausiating...and the rape scene, although a bit over the top, is disgusting none the less.
Henry - Portrait of a Serial Killer - The whole film is very disturbing, but one scene stands out, the video tape they make of themselves murdering a family....chilling..
Kids - The whole film
Zombie - The eye splinter scene
Requiem for a Dream - the heartbreaking ending...that haunts you for days.
Sweet Hereafter - The bus crash
Man Bites Dog
Happiness- The conversation between Dr. Maplewood (pedafile) and his son when the son finds out his dad has raped several children
Those are all the best of the worst, other notables are Last House on the Left, American History X, and The Shining.