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1.
An old Oak tree in Marietta, Ga with one large, mis-shapen branch that strangly resembles a penis. COntrary to popular belief, to young people from Old Marietta, this is the most well known landmark, not The Big Chicken.
Yeah, all you have to do is hang a left after the Penis Tree and you'll be on Kennesaw Avenue.
by Wallis Fuller September 07, 2006