屎忽撞棍 [－－－－]

Jyutping si2 fat1 zong6 gwan3
Pinyin shǐ hū zhuàng gùn

Definitions (CC-CANTO)
  1. a sheer fluke [colloquial]
Definitions (粵典–words.hk)
  1. 動詞、粗俗
    負碌​；​撞彩​；​純粹​靠​運氣​成功​，​又​作​「​屎​忽​撞​馬​棍​」
    to be lucky; to achieve something by luck rather than skill; literally, "hitting one's bottom with the rod"
    • 佢屎窟撞棍先過到今次考試。
      佢屎窟撞棍先过到今次考试。
      keoi5 si2 fat1 zong6 gwan3 sin1 gwo3 dou2 gam1 ci3 haau2 si5.
      It was pure luck for him to pass the exam.
  2. 參看
    屎窟撞棍