Question: The 2006 film directed by Nick Broomfield, known as Ghosts is named in reference to which Cantonese slang term for Westerners or "ghost man"?
Sentence (from "Ghosts (2006 film)"): The title is a reference to the Cantonese slang term "Gweilo" (鬼佬), meaning "ghost man", used for white people.
Relevant evidence: Yes