Why is a mixture of Dr Pepper and root beer called a cowboy pop?

A mixture of Dr Pepper and root beer is called "cowboy pop" because it reflects a playful, nostalgic association with cowboy culture, often evoking images of the Old West. The combination of these two sodas creates a unique flavor that is reminiscent of the rugged, adventurous spirit of cowboys. Additionally, the term "pop" is commonly used in some regions to describe Carbonated Beverages, further emphasizing the casual, fun nature of the drink.