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Jyutping saap6 suk6 gau2 tau4
Pinyin xiá shú gǒu tóu

Definitions (粵典–words.hk)
  1. 形容詞、俚語
    形容​人擘​大個​口​笑​得​好​開心​,​笑​到​見​牙​唔​見​眼​,​好似​煮熟​嘅​狗​頭​噉
    used to describe someone who grins stupidly; literally, boiled dog head, because you can only see the teeth but not the eyes of a cooked dog head which resembles how someone laughs
    • 做乜烚熟狗頭噉嘅?陳生又講笑話?
      做乜烚熟狗头噉嘅?陈生又讲笑话?
      zou6 mat1 saap6 suk6 gau2 tau4 gam2 ge2? can4 saang1 jau6 gong2 siu3 waa2?
      What's the laughing about? Mr. Chan is telling jokes again?
  2. 參看
    熠熟狗頭、煠熟狗頭

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Jyutping hap6 suk6 gau2 tau4
Pinyin xiá shú gǒu tóu

Definitions (CC-CANTO)
  1. putting up a fake laugh or smile (slang)
Examples (粵典–words.hk)
  1. Cantonese
    做乜烚熟狗头噉嘅?陈生又讲笑话?
    做乜烚熟狗頭噉嘅?陳生又講笑話?
    zou6 mat1 saap6 suk6 gau2 tau4 gam2 ge2? can4 saang1 jau6 gong2 siu3 waa2?
    • What's the laughing about? Mr. Chan is telling jokes again?