someone who is a burden to the people around him/her; the black sheep / squanderer of a family; someone who ruins his family's fortune or reputation
Definitions (粵典–words.hk)
動詞
將自己屋企人或者組織嘅成員拉落水；令家人或者組織蒙羞 to drag one's family or group into trouble; to be a disgrace to the family or group
佢潛逃之後要屋企人同佢還一大筆賭債，認真佗衰家。
佢潜逃之后要屋企人同佢还一大笔赌债，认真佗衰家。
keoi5 cim4 tou4 zi1 hau6 jiu3 uk1 kei2 jan4 tung4 keoi5 waan4 jat1 daai6 bat1 dou2 zaai3, jing2 zan1 to4 seoi1 gaa1. He skipped town and left his family with a huge sum of gamble debt, what a doombringer to his family.