屌毛灰 [－－－]

Jyutping diu2 mou4 fui1
Pinyin diǎo máo huī

Definitions (Wiktionary)
  1. verb, Wu, vulgar
    to talk nonsense
    (syn.) 扯淡, 瞎聊, 胡言, 胡扯, 妄言, 鬼扯, 瞎扯, 放狗屁, 口胡, 譗𧫡, 放屁