What is the definition of Masturbation Macabre?

"Masturbation macabre" is a delightfully morbid blend of two words: masturbation, the age-old, humorous act of self-pleasure that's as old as humanity itself, and macabre, which conjures up images of death, decay, and, surprisingly, a touch of dark humor. It's the kind of phrase that would make a graveyard's gardener blush with laughter mixed with horror.

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Here's an edgy example sentence: "Despite the ancient roots, I'd rather not associate myself with the macabre history of masturbation, but it seems my ancestors had a weird sense of style."