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A pretty girl who sincerely likes to be intimate in all three of the erotic orifices. She is not slutty or crude, but rather sexually aware and creative.
Al: "Man, you guys are going at it all the time. Aren't you worried it might become too routine?"

Tim: " Uh-uh. She's a 3Zoner. The possibilities are endless!"
by LouLou604 July 25, 2010
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