A battery used for masturbatory purposes.
Johann Wilhelm Ritter used the voltaic pile with a cloth soaked in warm milk to electrocute his penis until he ejaculated. After a while he experienced serious side effects, but rather than discontinue his "experiments," which by this point seemed to have no higher academic pursuit beyond trying to turn himself into a Spider-Man villain, Ritter would self-medicate with opium to keep the discomfort at bay, leaving him free to play with his masturbattery until the end of time.
by Rawgasm August 09, 2012

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