1. past tense of curveball; to surprise or deceive someone with an unexpected move or piece of information
Usage: informal; often used in the phrase 'throw someone a curveball'

Examples

• The interviewer curveballed me with a question I hadn't prepared for.
• Life curveballed us when the flight was cancelled at the last minute.
• She curveballed the team by announcing her resignation without warning.
• The test curveballed students with an essay question instead of multiple choice.
• He felt curveballed by the sudden change in project requirements.
• The coach curveballed the opposing team with an unexpected defensive strategy.