放白鴿 [－－鸽]

Jyutping fong3 baak6 gaap2
Pinyin fàng bái gē

Definitions (CC-CANTO)
  1. freeing the white pigeons; to conspire in a fraud; to gang up and swindle
Definitions (粵典–words.hk)
  1. 動詞
    二人​串通​行騙
    to cheat; to conspire; to trick; literally: to release a pigeon