Definition of show (someone) a clean pair of heels in English:
informal Run away (from someone) extremely fast.
- Malton's next score came when Cooke broke from defence and glided past would-be tacklers before handing on to opposite wing Elliot Richardson, who showed a clean pair of heels to his pursuers to get his side's third try.
- Paul Wrebber's nine-year-old has taken well to fences this season and I expect him to show a clean pair of heels to his six rivals.
- Retired Probation officer Tony Bowman is showing a clean pair of heels to many of his rivals on the athletics track.