McDickered is a word of Canadian origin, describing the state of an individual of whom has partaken in some McDonalds, and all its glory, while being highly inebriated.
Another name for McDonald's, McDank's, or whatever the hell else you want to call that fast food chain that sells them Big Mickeys. Known for attracting some "big" clientele, as well as the uber hungry after everyone else hits the sack.
Pothead: "Me and Lenny decided to hit up McDickenheimer's after we smoked all our schwag. I almost crashed the station wagon on the way there."
An amazing food that can be consumed for only like 3 dollars or whatever. All you need is a McChicken, a McDouble, a small fry and a thing of bbq sauce. Pull the top bun off the McDouble, Put the chicken on the McDouble, add bbq sauce and put fries on. Put the bun back on top and prepare for clogged arteries and amazing deliciousness.
Principal McVicker: Hello! I'll have uh, uh, uh, a cheeseburger w-with no ketchup! And I'll also have uh, uh, a chicken sandwich, uh, with no tomatoes, and, uh, uh, with extra mayonnaise! Uh, uh, and some onion rings with no salt! And...
When a McDouble and McChicken are combined, by removing a piece of bun from the top of one and sticking it below the other, making a triple-decker sandwich.