1. an old car or machine that is in poor condition and makes noise when it operates
Usage: informal
2. something that is unsuccessful or of poor quality
Usage: informal

Examples

• His old clunker barely made it up the hill.
• She drove her clunker to work every day until it finally broke down.
• The movie was a real clunker that nobody wanted to see.
• That washing machine is such a clunker – it makes terrible noises.
• I need to replace this clunker with a reliable car.
• The play was a clunker that closed after just three nights.