Sonic Drive-In is a wacky place known for many things, including burgers, chicken, and a solid breakfast lineup. But as a beverage purveyor, they leave the rest of the fast-food world in the dust.

I do. Everyone gets it. Even for us enlightened paragons of modernity, a cocktail called the Pink Lady is a heavy lift. The whole “girl drinks” and “boy drinks” division has always been ...

There are so many different drinks and slushies at Sonic, in fact, that we’ve developed a secret menu, known only by a few and shared in whispers on the wind. Curious to know what kind of ...