If you don’t know what I’m talking about or don’t remember, this Deadspin article covers it pretty well. (And plays it in slow-motion, which is fantastic.)
Let’s dial up the original gif, in all its glory:
Fantastic. Now, what happens if we, ah, take Kenny out?
Not only does this prove even harder that this was a technically clean hit, it also looks like something out of goddamn Paranormal Activity.