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Jyutping sei2 zai2 baau1
Pinyin sǐ zǎi bāo

Definitions (粵典–words.hk)
  1. 名詞、粗俗
    用​嚟​鬧​百厭​細路​、​後​輩​嘅​稱​呼​(​量​詞​:​個​)
    a naughty boy, "nasty little brat"
    • 你個死仔包,次次去廁所都屙到一地都係。
      你个死仔包,次次去厕所都屙到一地都系。
      nei5 go3 sei2 zai2 baau1, ci3 ci3 heoi3 ci3 so2 dou1 o1 dou3 jat1 dei6 dou1 hai6.
      You nasty little brat. Every time you use the toilet, there's pee everywhere.
  2. 名詞、粗俗
    對​相熟​嘅​後​生​男性​親​友​嘅​謔​稱​(​量​詞​:​個​)
    jokingly used to refer to a close friend or relative, who is usually a younger male
    • 死仔包,呢排有咩搞呀?
      死仔包,呢排有咩搞呀?
      sei2 zai2 baau1, ni1 paai2 jau5 me1 gaau2 aa3?
      Hey man. What are you up to?
  3. 近義詞
    死仔、死女包、衰仔、衰鬼
Definitions (Wiktionary)
  1. noun, Cantonese
    damned child (male)
    (syn.) 死女包
Definitions (Kaifangcidian)
  1. 死東西 – 死东西

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Jyutping sei2 zai2 baau1
Pinyin sǐ zǐ bāo

Definitions (CC-CANTO)
  1. (curse language) to revile someone as a bad son
Examples (粵典–words.hk)
  1. Cantonese
    你个死仔包,次次去厕所都屙到一地都系。
    你個死仔包,次次去廁所都屙到一地都係。
    nei5 go3 sei2 zai2 baau1, ci3 ci3 heoi3 ci3 so2 dou1 o1 dou3 jat1 dei6 dou1 hai6.
    • You nasty little brat. Every time you use the toilet, there's pee everywhere.
  2. Cantonese
    死仔包,呢排有咩搞呀?
    死仔包,呢排有咩搞呀?
    sei2 zai2 baau1, ni1 paai2 jau5 me1 gaau2 aa3?
    • Hey man. What are you up to?