A Starbucks barista recently revealed what is unanimously the most annoying drink that customers can order at the international coffee establishment.
If you're a fan of Starbucks, you might be familiar with some of their more complicated menu items that span beyond your usual cup of drip or iced coffee. You have your usual suspects (latte, cappuccino, americano) - but then, on a separate level, you have your cold brews with cold foam, your frappuccinos, and a slew of other fairly complicated drinks.
