Mcshitass Posted in M Best definition Mcshitassfood What happens to you after eating to much McDonalds I went to McDonalds and ate two double cheeseburgers lastnight. Now ive got a nasty case of mcshitass. How satisfied are you with the definition? Looking for Mcshitass meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 105 times.