petpet [------]

Jyutping pet1 pet1
Pinyin petpet

Definitions (粵典–words.hk)
  1. 名詞、俚語
    屎​忽​嘅​別​稱​,​通常​搞笑​先會用
    a humorous euphemism for one's bottom
  2. 參看
    pat、patpat