Fayuca is derived from Fallujah, a barge that was used to bring the merchandise to traian vessels to the port of Veracruz is one 3 4 centuries, the faluyero ( who was driving the Fallujah ) sometimes extracted goods than hiding after selling it...in this way the faluyero ( fayuquero ) It gave name to the goods of foreign origin that are sold on the black market... the fayuca