It's a wonderful sweet carbonated drink originally created from the root of the sassafras plant, but now more commonly made with artificial ingredients that mimic its original composition. Put a scoop or two - never three - of vanilla ice cream into it and you have a root beer float.
Next to strawberry shakes, they are one of the best concoctions man has ever made.
Video
Next to strawberry shakes, they are one of the best concoctions man has ever made.