Preppy is a word used to describe a type of fashion. Preppy style usually includes clothing inspired by Ivy League universities, like a polo shirt and khaki pants. It also includes clothes with a lot of color and patterns, like plaid skirts and bright stripes. Preppy style is usually neat and clean, with no ripped jeans or faded t-shirts. Finally, preppy style often includes accessories like sunglasses, belts, and jewelry.