I believe Sweet Frogs is frozen yogurt.
And when people get the extra large, order it every day, and add a ton of toppings...you might as well just eat ice cream (or custard at Rita's)
http://www.huffingtonpost.com/2013/08/08/frozen-yogurt-ingredients_n_3721930.html
http://www.shape.com/healthy-eating/meal-ideas/healthy-snacks-5-myths-about-frozen-yogurt
http://www.womansday.com/health-fitness/nutrition/frozen-yogurt-vs-ice-cream#slide-9