廁所點燈——找屎 [厕-点灯----]

Jyutping ci3 so2 dim2 dang1 — — zaau2 si2
Pinyin cè suǒ diǎn dēng —— zhǎo shǐ

Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    to court death