you ain't seen nothing yet phrase2 •(informal) There's more where that came from; what you have seen so far is only the beginning. Used to inform the listener that they should expect further surprises, and that the speaker has only just begun doing something.Sam Montgomery (Hilary Duff): Rhonda, you sure do have a knack for taking something simple and making it beautiful. / Rhonda (Regina King): Well, you ain't seen nothin' yet. — 2004 •(informal) You haven't seen everything yet
