書踱頭 [书－头]

Jyutping syu1 dok6 tau4
Pinyin shū duó tóu

Definitions (Wiktionary)
  1. noun, Wu
    book nerd; pedant
    (syn.) 書憨子, 書大糊, 書呆, 書獃屄, 書癲, 書呆子, 書夫, 書憨寶, 書踱頭, 書腐, 書恛子