黑腸 [－肠]

Jyutping haak1 coeng2
Pinyin hēi cháng

Definitions (粵典–words.hk)
  1. 名詞、爭議、粗俗、黃賭毒
    黑種​男人​嘅​陽​具​，​亦​引申​做​對​黑色​人種​男性​嘅​蔑​稱
    penis of a black man; figuratively, nigger; african man

黑腸 [－肠]

Jyutping hak1 coeng2
Pinyin hēi cháng

Definitions (粵典–words.hk)
  1. 名詞、爭議、粗俗、黃賭毒
    黑種​男人​嘅​陽​具​，​亦​引申​做​對​黑色​人種​男性​嘅​蔑​稱
    penis of a black man; figuratively, nigger; african man