A man goes to the doctor's office and complains of a horrible pain in his balls. He finds out he has cancer that has spread throughout his body and he has less than six months to live. So he goes home and kills himself.
Anti-humor is a type of indirect humor that involves the joke-teller delivering something which is deliberately not funny, or lacking in intrinsic meaning. The practice relies on the expectation on the part of the audience of something humorous, and when this does not happen, the irony itself is of comedic value.