Question: What Cantonese slang term with a history of racially deprecatory usage was also used as a reference in the title of a 2006 drama directed by Nick Broomfield?
Sentence (from "Gweilo"): Cantonese speakers frequently use "gwailou" to refer to Westerners in general use, in a non-derogatory context, although whether this type of usage is offensive is disputed by both Cantonese and Westerners alike.
Relevant evidence: No