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Jyutping gau1 ngap1 dong3 bei3 kap1
Pinyin jiū xī dāng mì jí

Definitions (粵典–words.hk)
  1. 語句、粗俗
    即​係​隨口​噏​當​秘笈
    to bullshit; to speak from one's ass; see 隨口噏當秘笈
    • 你咪鳩噏當秘笈喇,唔識咪認咗佢囉。
      你咪鸠噏当秘笈喇,唔识咪认咗佢啰。
      nei5 mai5 gau1 ngap1 dong3 bei3 kap1 laa3, m4 sik1 mai6 jing6 zo2 keoi5 lo1.
      Stop speaking from your ass. If you don't know, just admit it.
Examples (粵典–words.hk)
  1. Cantonese
    你咪鸠噏当秘笈喇,唔识咪认咗佢啰。
    你咪鳩噏當秘笈喇,唔識咪認咗佢囉。
    nei5 mai5 gau1 ngap1 dong3 bei3 kap1 laa3, m4 sik1 mai6 jing6 zo2 keoi5 lo1.
    • Stop speaking from your ass. If you don't know, just admit it.
  2. Cantonese
    甲:「9upper 宗旨:鸠噏当秘笈!」乙:「你果然系 9upper。」
    甲:「9upper 宗旨:鳩噏當秘笈!」乙:「你果然係 9upper。」
    yue:甲:「9upper 宗旨:鳩噏當秘笈!」乙:「你果然係 9upper。」
    • A: The objective of bullshitters: to speak from their asses! B: You really do, what a bullshitter you are.