簿 [-]

Jyutping siu1 nei5 sou3 bou2
Pinyin shāo nǐ shù bù

Definitions (粵典–words.hk)
  1. 語句、粗俗
    屌​你​老母​嘅​委婉​語
    punning variant of "fuck your mother" (屌你老母 diu2 nei5 lou5 mou2), an indirect phrase expressing hostility or mock-hostility; literally: burn your ledger

簿 [-]

Jyutping siu1 nei5 sou3 bou6
Pinyin shāo nǐ shù bù

Definitions (CC-CANTO)
  1. an expression to curse / swear at someone, literally 'to burn your account books'