Most Gruesome Villain Death
The bibbing - "How to Win Friends and Influence Monsters"
Runner Up (losing by only 11 votes)
Dick Roman - "Survival of the Fittest"
Very close in the race
Leviathan Sam and Dean - "Slash Fiction"
There's one common thread to all these villains, who were in a virtual tie until the end of the voting. They're all leviathan. I'm still trying to grasp with my limited view of the world how a creature can eat itself, but it was enough to get the majority cringing! How does it only leave a small pool of black goo on a bib? Shudder - don't want to know.
Dick Roman and Leviathan Sam and Dean I guess went out in ways that was just too normal for the majority. If you count exploding into a mass spatter of black goo and sizzling right before beheading normal. Just normal for "Supernatural" I guess!