Blinder/ˈblaɪndər/ Definition 1 of 3Pro Tip 1/3British Slang In the UK, 'blinder' often refers to an excellent performance or action. She played a blinder in the interview and got the job. Pro Tip 2/3Informal Usage 'Blinder' as praise is casual, best used among friends or in informal settings. You put on a blinder at the party last night with your dance moves! Pro Tip 3/3Energetic Action Describes something done with a lot of energy and skill, not just luck or chance. Their goalie played a blinder, saving impossible shots!