輸到褲穿窿 [输－裤－－]

Jyutping syu1 dou3 fu3 cyun1 lung1
Pinyin shū dào kù chuān lóng

Definitions (CC-CANTO)
  1. to lose all of one's face [colloquial]
Definitions (粵典–words.hk)
  1. 語句、俚語
    輸錢​輸到​冇​晒
    to lose all one's money; literally, losing money to one extent that there is a hole in one's trousers
Definitions (Kaifangcidian)
  1. 輸得精光 – 输得精光
  2. 輸到家了 – 输到家了
  3. 輸得很慘 – 输得很惨
  4. 輸得一貧如洗 – 输得一贫如洗