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Jyutping hau2 do1 do1
Pinyin kǒu duō duō

Definitions (CC-CANTO)
  1. (adjective) loquacious; talkative; garrulous; long-tongued
Definitions (粵典–words.hk)
  1. 形容詞
    任何​時候​都​好多​嘢​講​,​尤其​係​唔​適​當​嘅​時​候​都​係​噉​,​口​沒遮攔
    (lits.) mouth a lot; (fig.) to speak out of turn; to shoot one's mouth off
    • 佢個人口多多,成日都講錯嘢得罪人。
      佢个人口多多,成日都讲错嘢得罪人。
      He often missays and displeases others as he talks too much.
Definitions (Wiktionary)
  1. adj, Cantonese
    gossipy and talkative
Definitions (Kaifangcidian)
  1. 嘮叨 – 唠叨
  2. 多嘴
  3. 話多 – 话多
  4. 饒舌 – 饶舌
  5. 絮叨
  6. 多嘴多舌
Examples (粵典–words.hk)
  1. Cantonese
    佢个人口多多,成日都讲错嘢得罪人。
    佢個人口多多,成日都講錯嘢得罪人。
    • He often missays and displeases others as he talks too much.