(coll.) to scam sb by setting up an "accident" in which one appears to have sustained damage or injury caused by the scam victim, then demanding compensation (variations include putting "expensive" porcelain in a place where it is likely to be knocked over by passers-by, and stepping into the path of a slow-moving car)
Definitions (粵典–words.hk)
動詞、大陸
泛指一啲敲詐勒索行為，引伸指刻意製造、偽裝意外讓自己成為受害人或傷者，借機向對方敲詐索償。 Pengci(from the Beijing dialect), is used in describing an opportunistic behavior. Pengci is commonly practiced by the extortionist who often plays a role of the victim as benevolent force in law jurisdiction, aims at obtaining compensation.