脫褲 [脱裤]

Jyutping tyut1 fu3
Pinyin tuō kù

Definitions (Wiktionary)
  1. verb, verb-object
    to take off trousers
    (syn.) 除裤, 除褲, 褪褲, 褪裤
  2. verb, slang, verb-object
    to hack data of all users of a certain website