Used to express that one is or should be extremely excited or apprehensive about something. Wait till I show you the painting we did, it's really great! Just you wait till your father comes home—you'll get the spanking of a lifetime then!

Used to express that one is or should be extremely excited or apprehensive about something. Wait until I show you the painting we did, it's really great! Just you wait until your father comes home—you'll get the spanking of a lifetime then!