Friendly, somewhat obvious *WARNING*: There are things in this article that may spoil both the movies and your lunch for you, so proceed with caution.
1. Raw (2016)

2. Psycho (1960)
3. The Green Inferno (2013)

4. Antichrist (2009)

5. The Exorcist (1973)
View this video on YouTube
Many of the people flocking to theaters to see this one were purposely going BECAUSE they heard all of the hype surrounding how many people were getting sick during the film (as seen in this video of audience reactions). People fainted, vomited, or even just left during the film out of fear and waited in the lobby for their friends.
6. Irréversible (2002)

7. The Blair Witch Project (1999)
8. The Human Centipede franchise (2009-2015)

9. Goodnight, Mommy (2014)
10. Saw III (2006)

11. Freaks (1932)
12. Bite (2015)
