亂交 [乱－]

Jyutping lyun6 gaau1
Pinyin luàn jiāo

Definitions (Wiktionary)
  1. verb
    to be sexually promiscuous; to engage in casual sex
    (syn.) 约炮, 濫交, 約炮, 滥交, 打炮
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）