What is your best joke that has a long setup for a stupidly lame punchline?

A family walks into a talent agency wanting to perform their act. The talent agent asks what the act is and they reply: "First my wife and I get naked and proceed to have sex, i then shit in her mouth and make her suck my dick, I then fuck her again and lick the reminents of shit and sperm off of her and spit it in her mouth. Then i cover her mouth with my hand and punch her in the stomach and watch the stuff fly out of her nose. I catch the spray of shit and jiz and blood with my mouth and swallow it hole. Then my daughter comes in and i fuck her in the ass while i suck my sons dick. While this is going on my wife starts banging my father and mother. I then fuck my mother and father while my wife fucks my kids. Then I blow my dads asshole and jerk him off. Then the dog comes in and i fuck it too. I then kill my mother with a gun and fuck the bullet hole. We all join in the blood orgy and piss on one another. We shit in the piss and blood and then puke in it. Then we dump it in a kiddy pool full of dead midgets and aborted babies. We then jump in the pool and bang the hell out of eachother. I chop off my wifes boobs and she cuts off my dick, she sucks my stump and eats my balls. Then 3 midgets standing on eachothers heads come in and we kill them and add them to the pool. We slurp up everything in the pool and puke it on the audience. Then i smash my wife's head with a sledge hammer and cover the audience with her brains gallagher style. We take a bow and leave." The Talent agent says: "Holy shit! whats the act called?" the family replies: " The Aristocrats!"

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