飛砂走奶 [飞－－－]

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Pinyin fēi shā zǒu nǎi

Definitions (粵典–words.hk)
  1. 語句、香港
    茶餐​廳​用語​，​要求​咖啡​或者​奶茶​唔​落​砂糖​同奶
    no sugar, no milk in tea or coffee; literally: "sand fly away milk leave"
  2. 參看
    飛沙走奶
Definitions (Wiktionary)
  1. phrase, Cantonese, Hong-Kong, of coffee or tea
    black; without sugar or milk