咂嘴 [－－]

Jyutping zaap3 zeoi2
Pinyin zā zuǐ

Definitions (CC-CANTO)
  1. Lip smacking
Definitions (Wiktionary)
  1. verb
    to click one's tongue (in admiration, praise, surprise, regret, etc.)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）