Gently pour the root beer over the ice cream. Serve your root beer float immediately. You’ll notice that, after just a few minutes or after a good stir, the ice cream will start to float—hence ...

According to A&W, the "Float Flex" campaign "encourages Americans to prepare their bodies for the roughly 3 pounds 5 ounces of Made Fresh Root Beer and creamy vanilla soft serve in a frosty glass ...