1. plural of duffer; people who are incompetent or unskilled at a particular activity, especially golf
Usage: informal; often used in golf contexts
2. plural of duffer; people who are dull, stupid, or uninteresting
Usage: informal; chiefly British

Examples

• The golf tournament was full of duffers trying their best on the course.
• Even duffers can enjoy a round of golf with friends.
• He called himself one of the duffers in the club, always making mistakes.
• The duffers on the team struggled to keep up with the experienced players.
• Don't be so hard on yourself—we're all duffers when learning something new.
• A group of duffers gathered at the driving range for their weekly practice.