1 definition by Seiboobanigav

Top Definition
A dictionary that has only words relating to the practice of sexual intercourse.
"GUYS! I NEED TO DEFINE THIS WORD! WHERE'S THE FUCKTIONARY?!"

Or

Kid 1: "Guys, what's a clitoris?"
Everyone in the world: "GET THAT KID A FUCKTIONARY!"
by Seiboobanigav November 13, 2010

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