1. a sandwich of ground beef cooked in a spicy tomato or barbecue sauce and usually served on a bun.
2. a baggy, overlarge sweater originally worn by girls and young women in the 1940s.
3. a man or youth whose appearance is habitually slovenly. Also,slop'py Joe',slop'py joe' (for defs. 1, 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.