鬼佬

Etymology
Originally. From the supposed resemblance of Portuguese and other European skin tones to ghosts.

Noun

 * 1)  gweilo; "foreign devil"; Caucasian; whitey

Usage notes

 * A derogatory term for white men, mainly in speech. Prior to the 1980s, the term was commonly prefixed in Cantonese by, with the meaning "damned ghost bastard, damned foreign devil".