Yes, it's a real thing and it should be ready for your next "Walking Dead" viewing party. It's made by a brewery in Philadelphia.....with smoked goat brains as one of the ingredients.
Here's how they describe the flavor: "Fuggle hops provide delicate, earthy notes, while the cranberries create a sinister, bloody hue, and a slight tartness. The pre-sparge-brain-addition provided this beer with intriguing, subtle smoke notes. In true walker fashion, don’t be surprised is its head doesn’t hang around forever."