"Black humor" refers to a type of comedy that deals with morbid, dark, or taboo subjects. It involves finding humor in things that are usually considered serious or disturbing, like death, illness, or tragedy. Full definition
The style is gritty, with the kind of black humor typical to cops — and to residents of corrupt machine cities. (qtng.dreamhosters.com)
Originally a British movement of the late 1950s, Pop Art interpreted images from consumer culture with black humor, criticism, and irony. (artic.edu)
The events become nearly too mean spirited, and the underlying pitch black humor pulls the film back from crossing over the line with how far it pushes its characters. (modernhorrors.com)