What is the definition of Authority Macabre?

"Authority macabre, my friend, is like the grandmaster of spooky theatrics, wielding the eerie charm of death and decay with a theatrical flair. It's the art of turning morbid fascination into a performance, often leaving us questioning why we're even bothering to watch it."

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Now, here's an unsettling sentence using this term: "The office manager decided to host an 'Authority Macabre' night, complete with a spooky autopsy competition and a 'Best Shredded Paper' award, because he wanted his employees to realize that even the dead have a flair for the dramatic."