Definition & Meaning of "Hampstead Heath"in English

What does "Hampstead Heath" mean in Cockney rhyming slang?

The structure uses the rhyming pair "Hampstead Heath" (a large park in London) to stand for "teeth," following the typical Cockney pattern of replacing a word with a phrase that rhymes with it. It is used in Cockney rhyming slang (London, UK) to mean a person's teeth, often shortened to just "Hampsteads." People typically say "Get your Hampsteads checked" or "He's got false Hampstead Heath." The term originated in early 20th century London East End rhyming slang culture, and remains a classic example.