What does cold humor mean?

Cold humor is also called black humor and cold joke. A cold joke, that is, a failed joke, refers to the joke itself because of boring, homophonic words, translation, or omission of theme, different logic, special judgment or content, or because of the tone or expression of the performer. It turns a joke that is hard to make people laugh into silence, but it doesn't mean that the joke itself is boring, which is also a manifestation of humor. Nowadays, most people laugh when they hear cold jokes, and sometimes they make a gesture of hugging their arms: "It's so cold!" " Or words and expressions related to cold semantics, such as chills, temperature, air conditioning or hot weather.