賣嘴 [卖－]

Jyutping maai6 zeoi2
Pinyin mài zuǐ

Definitions (Wiktionary)
  1. verb
    to rely on verbal skills for a living
  2. verb
    to show off verbal skill; to indulge in clever talk
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）