verb; it means ask for trouble; make trouble for oneself, mess up at the end
Definitions (粵典–words.hk)
語句、俚語
同自己揾麻煩；令自己身陷險境 to make trouble for oneself; to shoot yourself in the foot, to cause unnecessary difficulties for oneself; literally: to grab worm and put it up one's arse
我一早叫你唔好插手㗎啦，咪盞捉蟲入屎忽！
我一早叫你唔好插手㗎啦，咪盏捉虫入屎忽！
ngo5 jat1 zou2 giu3 nei5 m4 hou2 caap3 sau2 gaa3 laa1, mai6 zaan2 zuk1 cung4 jap6 si2 fat1! I had told you not to meddle with my affairs. You are just shooting yourself in the foot.