Why is Fang Datong called the Bad Gag King?

Bad gag is an evolution of gag

The sixth edition of the Oxford Advanced Learner's Dictionary states that gag means a gag or an on-the-spot joke in a play

With rotten Describing gag, it means that the joke is not funny or incomprehensible at all

The term "bad gag" is popular among the Hong Kong population, especially students

It is also pronounced as "bad gap"

Now it also refers to cold jokes

So, it means that he likes to tell those kind of cold jokes, very cold jokes. For example: he said that he would do one sit-up a day. It’s the one who gets up, it’s similar to this kind of joke