True crime shows used primarily by middle aged couples to get aroused. This phrase was coined by South Park in the season 17 episode of the same name.
Randy:"What is Minecraft, and how do you tame a horse in it?"
Stan:"You guys don't need to be watching that stuff."
Randy:"Oh come on! You can't block your parents from watching informative murder porn!"
Stan:"You guys don't need to be watching that stuff."
Randy:"Oh come on! You can't block your parents from watching informative murder porn!"
by Fractured but Whole October 24, 2017