3Zoner
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!"
Tim: " Uh-uh. She's a 3Zoner. The possibilities are endless!"