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when you do take a girl up the ass and, simultaneously, stick your hand up her vagina, reach in deep and masturbate yourself with her internal organs.

possibly the most pleasurable experience known to man- also practiced by the malaysian siamang gibbon.
William: Fuck man, have you ever tried libbib?
Terry: No man, why, what's it like?
William: It's fucking cool, bro, seriously.
by Cram Rolyat June 07, 2009
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