等到頸都長埋 [－－颈－长－]

Jyutping dang2 dou3 geng2 dou1 coeng4 maai4
Pinyin děng dào jǐng dōu zhǎng mái

Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    to wait for a very long time
    (syn.) 等到颈都长, 等到頸都長