A childhood belief about rude bits

When I was younger, maybe five or six, I remember watching Seinfeld, and hearing Jerry tell Elaine that he had "tricks" he did with his penis. I took this to mean that he could swirl it around and make it jump and stuff... This misconception wasn't helped by the fact that while snooping in my stepmom's room, I found a dildo that did similar "tricks" .....
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Oh well!