mum mum [---------]

Jyutping sik6 mam1 mam1
Pinyin shí mum mum

Definitions (粵典–words.hk)
  1. 動詞
    食​嘢​(​同​BB​講​嘢​嗰​陣​用​)
    (in mother-child language) to eat
  2. 參看
    食檬檬