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Jyutping so4 so4 gang1 gang1
Pinyin shǎ shǎ gèng gèng

Definitions (Wiktionary)
  1. adj, Cantonese
    silly; foolish
    (syn.) 傻更更, 傻乎乎, 戆戆, 傻呵呵, 戇戇

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Jyutping so4 so4 gaang1 gaang1
Pinyin shǎ shǎ gèng gèng

Definitions (粵典–words.hk)
  1. 形容詞
    即​係​ ​傻​更​更
    see 傻更更so4 gaang1 gaang1
Definitions (Kaifangcidian)
  1. 傻頭傻腦 – 傻头傻脑
  2. 笨頭笨腦 – 笨头笨脑
  3. 傻乎乎的
  4. 傻裡傻氣 – 傻里傻气

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Jyutping so4 so4 gang1 gang1
Pinyin shǎ shǎ gēng gēng

Definitions (CC-CANTO)
  1. stupid; silly [colloquial]