Frump, noun, Sometimes pleasant or delightful, but more often an overly confidant, obnoxiously dressed, rotund woman who is constantly speaking in loud tones on topics they could never understand; topics such as fashion or men. Native habitat, Lane Bryant, Walmart or local fast food restaurants where they can purchase the 15,000-calorie salad and still remain on their diet. After all, it is just a salad. Frumps often travel in-groups of 3 or more in what urban sociologists have termed, an unkindness. Gravy stains on the front of her moo-moo can identify the Midwestern variety, normally the largest of all Frumps. Eastern Frumps typically have the worst attitude and Western Frumps the most makeup.