Go ahead, indulge. These thick, tasty drinks will perk you up, ravish your sweet tooth, and whip your taste buds into a frenzy. They can even be made with decaf for those who prefer the taste without the jitter. A Frappe is really any sort of icy, blended drink. It's usually made with coffee, but there are no hard and fast rules when it comes to the ingredients. A Frappe can be wildly imaginative, wonderfully exotic, thoroughly classic, or somewhere in between.