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Jyutping gung1 lou4 zi2
Pinyin gōng lǘ zi

Definitions (Wiktionary)
  1. noun, Southwestern-Mandarin, Xiang
    male ass
    (syn.) 驢牯, 公驢, 雄驢, 公驢子, 驢港, 叫驢, 驢豭, 叫驢子