An "oud body mist" is a type of fragrance that is made with oud oil, which is derived from the agarwood tree. Oud is a very popular and expensive ingredient in perfumes and colognes, and is known for its warm, woody, and slightly spicy scent. Body mist is a lighter version of a perfume, and is typically used as a refreshing body spray. Oud body mist would therefore be a light body spray that is scented with oud oil.