Definition from Wiktionary, the free dictionary
A Caribbean patois word, of West African origin
duppy (plural duppies)
- A Duppy is an evil spirit or ghost that is first referenced in Jamaican folktales and later mentioned in those of Barbados. It often appears in the form of a dog barking or howling through the night. Another folktale says that Duppies live in the buttress roots of silk cotton trees. Also used as an insult to White people, especially those that act black or Jamaican. As if they were a pale ghost form of a Jamaican.
- See also Wikisaurus:ghost