The idiom "all dressed up and nowhere to go" means that someone is wearing fancy or formal clothes, but they have no plans or events to attend. It's like getting ready for a party, but then finding out that the party was canceled.
You can use this idiom when you see someone who is dressed very nicely, but they don't seem to have any plans or events to attend. For example, if your friend is wearing a fancy dress and makeup, but she is just sitting at home with nothing to do, you can say "You look all dressed up and nowhere to go!"
This idiom can also be used to describe a situation where a lot of effort has been put into something, but it ends up being unnecessary or useless. For example, if you spend hours preparing a presentation for work, but then find out that the meeting was canceled, you can say "I was all dressed up and nowhere to go."
Overall, this idiom is used to describe a situation where someone or something is prepared for an event or activity, but that event or activity doesn't happen.
• After getting ready for a night out, the sudden rain made her feel all dressed up and nowhere to go.
• The CEO was all dressed up and nowhere to go as the meeting was postponed until the next day.
• She was all dressed up and nowhere to go, so she decided to take a walk around the block.
• The team had prepared for the championship all season, but due to the cancellation, they were left all dressed up and nowhere to go.
• He arrived at the party all dressed up and nowhere to go, as most of the guests had already left.
• After years of hard work, she became a successful entrepreneur, but now she felt all dressed up and nowhere to go with her free time.