Hagyjátok Robinsont! (1989)

Defoe, lacking fantasy of his own takes home the drunkard sailor from the pub and makes him tell his stories on the uninhabited island he left behind by his fellow sailors and captain, because he drank their rum last for 2 weeks in one go. On the island he find out soon he's not alone, and meet his servant there, called Friday by him. But in his case Friday is a hot Cuban girl, who is actually a cannibal.