How to Make It
Pre-heat oven to 375°F. Grease a casserole pan or baking dish in whatever manner you see fit. Lay down a thick layer of crushed chips, Chex Mix, what have you. Cover that with cheese, ideally Velveeta, but feel free to deploy Kraft Singles, shredded cheese, pimento cheese, or any other cheese-like substance you have available. If you have sour cream or salsa on hand, that's great! Dollop 'em in there.
Whisk together 3 eggs and milk, and pour over the layers evenly. Crush up crackers and Chex mix, and layer those on, then more cheese, sliced chorizo, and salsa. Cover with another layer of whatever chips, Chex Mix, etc., you still have left. Whisk together 3 eggs with however much beer seems reasonable, and pour that over the top. The ethos you're going for is "fraternity house carpet." Another cheese layer? Why not. Cover with foil and bake until the egg is set, about 15 minutes. Remove from oven, cool, and refrigerate for several hours, or overnight to let the flavors meld and the chips soften.
Remove from fridge, top with additional cheese, and bake covered in a 400°F oven until the casserole is heated all the way through, 20-40 minutes. Remove foil and let the cheese slightly brown. Slice and serve proudly with a crap-ton of hot sauce.