大碌木 [－－－]

Jyutping daai6 luk1 muk6
Pinyin dà lù mù

Definitions (CC-CANTO)
  1. a big/huge wooden branch/stick; a big penis; to describe someone who is very clumsy, very slow in action and thoughts
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
    大轆木
Definitions (Wiktionary)
  1. noun, Cantonese, idiomatic, slang
    a large penis