暗空仔 [－－－]

Jyutping am3 hung1 zi2
Pinyin àn kōng zǎi

Definitions (Wiktionary)
  1. noun, Min-Nan
    unlicensed prostitute
    (syn.) 私空仔, 暗娼, 私娼
  2. noun, Quanzhou, Zhangzhou-Hokkien
    secret business deal