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Jyutping daa2 dei6 hei3
Pinyin dǎ dì qì

Definitions (CC-CANTO)
  1. getting uncomfortable and cold from sleeping on the floor
Definitions (粵典–words.hk)
  1. 動詞
    喺​地下​瞓​覺​導​致​身​體​唔​舒服
    to suffer the adverse consequences of sleeping on the floor, e.g. getting stiff or cold.