What began as a regional novelty in Utah has evolved into a widespread American beverage trend known as 'dirty soda.' The drink is defined by the customization of standard sodas, where consumers add various flavor shots, heavy creams, or fruit purees to create unique, personalized combinations.

Analysts attribute the rapid growth of this trend to several factors. Primarily, the rise of social media platforms has allowed for the viral sharing of colorful and highly customizable drink recipes, turning the act of ordering a soda into a shareable experience. Additionally, the trend has gained traction as a low-cost alternative to other social outings. As inflation impacts consumer spending, 'dirty soda' shops provide an affordable space for social interaction, positioning themselves as a modern-day equivalent to the traditional coffee house or soda fountain.

While the trend started in Utah, where it is deeply embedded in local culture, it has now moved into the national mainstream. Major chains and independent shops are increasingly adopting the model, focusing on the 'mix-and-match' aspect of the menu. The success of the trend highlights a shift in consumer preferences toward highly personalized, 'Instagrammable' food and beverage products that offer a sense of novelty at a relatively low price point.