蟬崽 [蝉－]

Jyutping sim4 zoi2
Pinyin chán zǎi

Definitions (Wiktionary)
  1. noun, Gan
    stupid child (affectionate term used by parents)
    (syn.) 戆狗, 戆囡仔, 戆囝, 戇囡仔, 戇狗, 戇囝