patata Share definition Flag Vagina. Derived from the Italian word 'patata' which translates as potato. Someone, somewhere, thought that a potato resembled a vagina, and brought the term into common usage. Pull your pants up, I don't want to see your patata! patata by Googles January 14, 2004 0 0 Get merch Get the patata mug. Buy Now — $32.95 See more merch