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This is a type of punch that is defined by where the punch lands. In this case, the punch will most closely resemble an upper-cut punch, but instead of the lower jaw, this one will land directly on the sphincter of the colon. The hope with this punch is that the recipient's sphincter will go numb and lax, causing the victim to shit his or her self.
I waited until she turned her back and then I keister punched her so hard she shit herself. That'll teach her to say "hi" to me!
by Mr.Touchdown August 12, 2009
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