It’s teal. It’s tropical. It’s the only soda that somehow tastes like both summer vacation and the floor of a Taco Bell at 1 a.m. For 20 years, Baja Blast has been more than just a drink — it’s a cult, a lifestyle, and one more thing for people to argue about on social media. But what is Baja Blast, really? How did it go from a limited-time Taco Bell exclusive to a year-round grocery store staple? And why does it have more spinoffs than CSI?