There are some conflicting ones, but I went with my main pronunciation dictionary which says Tsing.

有一些冲突的地方，但我查了重要的发音字典，读Tsing。

And it turned out to be a little dude with a pee pee. For the Tsing, it was party time.

一个还在尿尿的小家伙。 对清朝来说，这是庆祝时刻。