a combination of whatchamacallit and thingy. it is a replacement for any other word, it can mean anything you want it to mean and it's meaning is never the same. It can also be used as an exclamation.
wuchangsbitch is very cool and good at idv ! they are a chiaki anti, so make sure to stay 10 feet away from them at all times ! wuchangsbitch is very funny🥺‼️