空頭白契 [－头－－]

Jyutping hung1 tau4 baak6 kai3
Pinyin kōng tóu bái qì

Definitions (CC-CANTO)
  1. White Deeds, a contract that has not been stamped with the official stamp
Definitions (粵典–words.hk)
  1. 名詞
    冇​效力​嘅​契​約​（​量​詞​：​張​）
    non-binding agreement; bluff
  2. 近義詞
    空頭支票