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Jyutping gau2 dou1 m4 hau1
Pinyin gǒu dōu wú hóu

Definitions (粵典–words.hk)
  1. 語句
    形容​冇​人​想要
    refers to something that nobody wants; literally even a dog would not be not after (it)
    • 淡茂茂,冇聞冇味狗都唔吼呀。
      淡茂茂,冇闻冇味狗都唔吼呀。
      taam5 mau6 mau6, mou5 man4 mou5 mei6 gau2 dou1 m4 hau1 aa3.
      It is too tasteless. Even dogs wouldn't want to eat it.
  2. 近義詞
    狗也不屌
  3. 參看
    狗都唔吼