Food·Posted on Sep 22, 2018Your McDonald's Order Will Reveal What You Should Be For Halloween This YearThe truth is in the French fries.by Spencer AlthouseBuzzFeed StaffLinkFacebookPinterestTwitterMailBuzzFeed Quiz Party! Take this quiz with friends in real time and compare resultsCheck it out! We asked the BuzzFeed Community to show us the best Halloween costumes they've ever had. This very scientific quiz will determine what you should be for Halloween based on your favorite McDonald's items.