goose egg Ask Urban Dictionary about goose egg Share definition Flag Zero The way the number is shaped is similar to a goose's egg. I played a tennis match and was goosegged, I lost 6-0, 6-0, 6-0 goose egg by disco stu September 24, 2003 0 0 goose egg Merch Get the goose egg mug. Buy Now — $32.95 See more merch