Ready for an event or occasion that has since been canceled. Jimmy canceled our date tonight, so I'm all dressed up and nowhere to go.A: "Why is Jill is all dressed up and nowhere to go?" B: "Oh, because the friend she was supposed to meet got sick."
and all dressed up with nowhere to go completely ready for something
that has been postponed or has failed to materialize. (May be literal or figurative.) Tom: I just heard that your company is closed today. Fred: Gee, I'm all dressed up and nowhere to go.The space shot was cancelled, so all the astronauts are all dressed up with nowhere to go.