鴨母卵 [鸭－－]

Jyutping aap3 mou5 leon2
Pinyin yā mǔ luǎn

Definitions (Wiktionary)
  1. noun, Hokkien
    duck egg
  2. noun, Fuzhou, Hokkien, Min-Dong, figuratively
    a score of zero; goose egg