Reverse Fester
When you insert a lightbulb into your anus and then lick a 9 volt battery in order to illuminate the bulb.
It wasn't until I discovered the Reverse Fester that I began to appreciate the findings of Ben Franklin.
Reverse Uncle Fester
When you shove a light bulb up your ass instead if your mouth.
I was felling kinda kinky so my girlfriend hooked me up with a reverse Uncle Fester