螃蟹過馬路 [－－过马－]

Jyutping pong4 haai5 gwo3 maa5 lou6
Pinyin páng xiè guò mǎ lù

Definitions (粵典–words.hk)
  1. 語句
    歇後語​：​打橫行
    to bully around; literally: crab going across road