口癖 [－－]

Jyutping hau2 pik1
Pinyin kǒu pǐ

Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. noun, neologism, slang
    one's favourite expression; stock phrase; pet phrase
    (syn.) 口头禅, 口頭禪