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1.
Hypocritical barbecue sauce that is more like spicy ketchup. Indeed, it has nothing to do with Kansas City barbecue.
Johnny: Hey, give me some of that Kansas City Masterpiece for my ribs.
Susie: Johnny, you ignorant slut. Don't speak of that blasphemy in Kansas City. My gang'll lynch you.
by saturninely November 25, 2009
 
2.
Anal Intercourse; A person shits on another person's penis. They then pull out and stick it in the person's mouth. mmmmmm! Bitch! Barbeque Sauce!
I gave your girl a Kansas City Masterpiece!
by PisaJuan September 10, 2006