A self-made combination of a McDonald's McDouble and McChicken, where the McChicken patty is placed between the beef patties of the McDouble, with or without the McChicken's lettuce and mayonnaise.
Northeastern Pennsylvanian name for McGangbang
Ulysses: Check this out! I just made the nastiest thing I could get at McDonald's!
Percival: The fruit and maple oatmeal?
Ulysses: Okay, the second nastiest thing.
Percival: The McGrimace, then?
Ulysses: Forget it, I just made a McTasty.