presto chan·go I. \-ˈchān(ˌ)jō\verb imperative Etymology:presto (I) + chango (from change + -o — as in presto) (I) : change quickly — used originally as a magician's command II. noun : a sudden transformation as if by magic < suggest that the solution of social and political ills lay in … a moral presto chango — Irwin Edman >