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1.
A sexual position in which a woman on her period, using a tampon, is positioned on the bed in an L shape to represent the frame of a book. The tampon string hanging out between her legs represents the string often found on a bookmark.
Man: "Damn girl, you on your period."

Woman: "It's no thing, let's do a Witchita Bookmark"

Man: "......The fuck?"
by Sean McAwesome February 10, 2010