What is colorado kool aid?

Colorado Kool Aid is a slang term for Coors beer. It gained popularity in the 1970s and 1980s, particularly in country music circles, as a humorous way to refer to the popular Colorado-based beer brand. The term plays on the perception of Coors beer as a refreshing and cool drink, particularly in the hot climate of Colorado. While the term is mainly used in a joking or light-hearted manner, it has become a part of the vernacular in some circles.