New Drink Trend: “Heavy” SodaFood News! Do you ever find yourself sucking down a fountain drink and thinking, “Man, I wish this was SWEETER”? People online are hyping a new trend called “heavy soda,” which is apparently catching on at some gas station soda machines. It isn’t really “new“…especially in south Missouri where it supposedly started… but it’s just now going viral on social media. If a business has a soda fountain machine, they can sometimes adjust the settings to change the ratio of syrup.