A sex position where you try to fit as many guys into one girl as possible. All holes are legal.
Guy 1: Dude, I'm trying to spice up my orgy.

Guy 2: Did you try a Joebin?

Guy 1: No, I didn't think of that! Thanks!
by Dankerman April 13, 2013
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A unit of measurement for distance and mass equal to the size of someone's very large penis.
From here to the mall is about one metric joebin.
by LeadGreyFox May 17, 2011
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