- grasshopper⇄expr. knee-high to a grasshopper, very short and often very young.
Ex. He started riding a horse when he was just knee-high to a grasshopper. - grasshopper⇄grasshopper, noun.
1. an insect with long and very strong hind legs for jumping, many also with wings. Grasshoppers often damage crops severely. They belong to two families, the long-horned grasshoppers which include the katydids, and the short-horn