Meaning of sick sense of humour?

A "sick sense of humor" refers to a style of humor that finds amusement in topics that are generally considered inappropriate, taboo, or dark, such as death, illness, or tragedy. This type of humor often pushes boundaries and can provoke strong reactions, as it may be offensive to some. While some people appreciate this kind of humor as a coping mechanism or a way to confront difficult subjects, others may find it distasteful or offensive.