1. a person or thing that floors someone; something that knocks someone down or defeats them completely
Usage: informal
2. a worker who lays or installs flooring

Examples

• That final exam question was a real floorer—nobody in the class got it right.
• His unexpected resignation was a floorer for the entire company.
• The floorer finished installing the hardwood in just two days.
• She came back with a floorer of an argument that left him speechless.
• The professional floorer used specialized tools to ensure a perfect finish.