The remnants of a Big Mac hamburger sandwich from McDonald's left-over after a meal. They may consist of one or more of the following: all-beef patties, special sauce, shredded lettuce, cheese, pickles, finely diced onions, sesame seed bun. Usually found in the box from which the Big Mac was served.
I was still hungry so I went to grab a fork in order to eat my MacSalad.
Are you through with your box yet? I'll eat your MacSalad.
Like most Italians I eat my MacSalad last.
by Super Hungry February 26, 2010
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