The term "jammies" refers to a type of clothing, specifically sleepwear or lounge wear. It is an informal term for pajamas, which are typically loose-fitting and comfortable garments made from soft fabrics such as cotton or flannel, designed for relaxing in or sleeping. Jammies can come in various styles including shorts, pants, tops, and nightgowns, and may be adorned with cute prints or patterns that make them perfect for lounging around the house on a cozy weekend morning.