1. moving or prancing about in an exaggerated, showy manner
Usage: informal; British English
2. behaving in an affected or pretentious way
Usage: informal; British English; often derogatory

Examples

• The horse was poncing around the paddock in the morning sun.
• He spent the evening poncing about in his new designer clothes.
• She didn't appreciate him poncing around like he owned the place.
• The dancers were poncing across the stage with exaggerated movements.
• Stop poncing about and get to work.
• The peacock was poncing with its tail fully displayed.