番薯頭 [－－头]

Jyutping faan1 syu2 tau4
Pinyin fān shǔ tóu

Definitions (粵典–words.hk)
  1. 名詞
    蠢人
    an idiot, a nerd(literally: sweet potato head)

番薯頭 [－－头]

Jyutping faan1 syu2 / syu4 tau4
Pinyin fān shǔ tóu

Definitions (CC-CANTO)
  1. a stupid person; an idiot [colloquial]