fancy-dress ball (noun)

1. At the fancy-dress ball, Bob decided to dress up as a chicken and surprised everyone with his hilarious dance moves.

2. The elaborate and intricate costumes worn at the fancy-dress ball were a true display of artistic talent.

3. In some cultures, the fancy-dress ball is held as part of a religious celebration, with guests wearing costumes representing deities.

4. The theme of the fancy-dress ball was enchanted forest, and guests arrived dressed as mystical creatures like fairies and unicorns.