輸甲褪褲 [输－－裤]

Jyutping syu1 gaap3 tan3 fu3
Pinyin shū jiǎ tuì kù

Definitions (Wiktionary)
  1. phrase, Min-Nan, idiomatic
    to suffer tremendous losses
    (syn.) 输到脱裤, 输到甩裤, 輸到甩褲, 輸到脫褲