烏鬼 [乌－]

Jyutping wu1 gwai2
Pinyin wū guǐ

Definitions (Wiktionary)
  1. noun, Hakka, Min-Nan, derogatory, ethnic, slur
    black devil, nigger (a derogatory term for a person with dark skin)
  2. noun
    Japanese cormorant (Phalacrocorax capillatus, the bird)