data-mm-id=”_bqhggl3oj”>The dictionary (website) defines a hat as "a shaped covering for the head, usually with a crown and brim, especially for wear outdoors." That's never been more true than it is at the Kentucky Derby when people flock to Churchill Downs to view the most exciting two minutes in sports. All it takes is a quick look at the crowd to realize that horse racing fans love their gaudy MFing hats, but why? What makes the Derby the ultimate hataclysmic event?Like most things in horse racing, it comes down to tradition. The official Kentucky Derby website has a fairly lengthy explainer on the hats in a section titled "What to Wear."Part Southern tradition, part spectacle, the Kentucky Derby hat parade is much of what makes “The Greatest Two Minutes …