Definition & Meaning of "boat race"in English

What does "boat race" mean in Cockney rhyming slang?

The structure uses the rhyming pair "boat race" to stand for "face," 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 face. People typically say "Look at the boat race on him" or "She's got a lovely boat race." The term originated in early 20th century London East End rhyming slang culture, drawing on rowing events like the Oxford and Cambridge Boat Race, and remains a classic, widely recognized example.