<P> Punch buggy (also called punch bug, punch car, punch dub, piggy punch, slug bug, or beetle bug) is a car game generally played by children in which participants punch each other on the arm upon first sight of a Volkswagen Beetle while calling out "Punch buggy!" or "Slug bug!" in reference to the Beetle's nickname, the Bug . The color of the Beetle is also sometimes stated . </P> <P> Most references about the game originate from unofficial sources and personal accounts from players . Estimates suggest that it has existed since the 1960s . </P> <P> As part of the "Punch Dub" marketing campaign run by Volkswagen, a man named Zachariah Davis was presented as "the guy who made a game out of seeing VWs and punching his friends". This campaign, launched in 2009, claims that the game was started "over 50 years ago" as a humorous historical fiction created by the ad agency Deutsch Inc . </P> <P> Some variations consider Volkswagen's 1998 redesigned New Beetle invalid for game purposes but, as older models become rarer, variants may choose to include the new Beetles . Others allow "classic" bugs to count for two punches . </P>

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