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Slushy Szn is a kind of refreshment made of seasoned ice and a beverage, like granitas however with a more fluid organization. It is also known as a slush, a slurpee, a frozen drink, or a frozen beverage. Slushy Szn can be carbonated or without carbonation; A frozen carbonated drink or frozen carbonated beverage are other names for the carbonated version. Omar Knedlik, the owner of a Dairy Queen franchise, invented the first carbonated slushie machine. In the late 1950s, the soda machine at his restaurant had constant issues. When his machine broke down completely sometime in 1958, he decided to store his soda in his freezer, where it froze when pulled out. Knedlik decided to sell the slush to his customers, and the drink quickly gained popularity.