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Jyutping siu3 dou3 gin3 ngaa4 m4 gin3 ngaan5
Pinyin xiào dào jiàn yá wú jiàn yǎn

Definitions (Kaifangcidian)
  1. 笑得合不攏嘴 – 笑得合不拢嘴
  2. 笑得眼睛都瞇縫了 – 笑得眼睛都眯缝了

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Jyutping siu3 dou3 gin3 ngaa4 m4 gin3 ngaan5
Pinyin xiào dào jiàn yá n2 jiàn yǎn

Definitions (CC-CANTO)
  1. hilarious
Examples (粵典–words.hk)
  1. Cantonese
    笑到见牙唔见眼
    笑到見牙唔見眼
    siu3 dou3 gin3 ngaa4 m4 gin3 ngaan5
    • to wear a big smile; literally: to grin to the point of seeing only one's teeth but not his eyes
  2. Cantonese
    睇吓你,笑到见牙唔见眼,中咗六合彩呀?
    睇吓你,笑到見牙唔見眼,中咗六合彩呀?
    tai2 haa5 nei5, siu3 dou3 gin3 ngaa4 m4 gin3 ngaan5, zung3 zo2 luk6 hap6 coi2 aa4?
    • Look at yourself, you're laughing as if your eyes were covered by your smiling teeth. Did you win the first prize in Mark Six?