The downright nastiest nightmare I've ever had was having to pull flesh-eating insects and larvae out of my arm. First, the arm was fine, and then next moment I know, bulges start appearing with mandibles tearing through the skin and grotesque insect heads popping up. I had to rip them out one by one and the gouges they left behind after getting pulled out were horrible as well. The worst part was not knowing how many were still embedded in there while self-mutilating my own arm just to get them out. And they weren't coming out easy.

Now that was some Colombian Grade-A horror material right there.