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A giant imaginary hedgehog from the Monty Python mockumentary skit "The Piranha Brothers" in which gangster Dinsdale Piranha believes he's being watched by same.
Dinsdale was a perfectly normal person in every way, except in as much as he was convinced that he was being watched by a giant hedgehog whom he referred to as Spiny Norman.
by Jim-Bill January 18, 2006
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