大轆木 [－辘－]

Jyutping daai6 luk1 muk6
Pinyin dà lù mù

Definitions (CC-CANTO)
  1. noun; big wood, Metaphor for a person who is stupid and dull
Definitions (粵典–words.hk)
  1. 名詞
    比喻​呆板​、​蠢​、​唔​醒目​嘅​人
    dumb person; literally: big piece of wood
  2. 名詞
    借喻​大陰莖
    large penis
  3. 參看
    大碌木