一蚊雞 [－－鸡]

Jyutping jat1 man1 gai1
Pinyin yī wén jī

Definitions (CC-CANTO)
  1. one buck / dollar [colloquial]
Definitions (粵典–words.hk)
  1. 名詞
    一元
    one dollar, literally "one dollar chicken"
Definitions (Kaifangcidian)
  1. 一元
  2. 一塊錢 – 一块钱