a big, fat, juicy, uncut cock that is thick enough so that you can't get your hand all the way around it.
by capnCrouton July 25, 2006
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Get the Fatty mug.a female boner, usually resides in the walls, when a female sees a provocative image her vagina walls will swell up causing her to get a fattie
by Rosenblum muff June 2, 2010
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