Top Definition
a unit of measurement used to determine the depth of penatration from ones chode into a females filthy corn hole. must be in spread eagle position for maximum poundage. take note that the derakin inch is 3x more then an imperial inch.
poor tim and his 3 DIN dick could only reach one derakin in jasmine's pooper
by Gingy=12 DINS September 15, 2010
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