proppy /ˈpɹɒpi/ adjective2 •(Australia, informal) Stiff in movement; unable to walk or run well.The first horse we saw was a proppy old grey being walked about, and agreed that there was one, at least, which would not win. — 1869 •(informal) Having many props.Because Magnolias is such a proppy show, speedy changes are a challenge. — 1990 formsproppier · proppiest