連襠褲 [连裆裤]

Jyutping lin4 dong1 fu3
Pinyin lián dāng kù

Definitions (Wiktionary)
  1. noun, figuratively
    collusion
  2. noun
    pants without a slit in the crotch
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）