Ayrton Senna(redirected from Senna, Ayrton)
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In the United Kingdom, a slang term for 10 pounds. The term derives from the name of Ayrton Senna, a racecar driver in the 1980s and 1990s. In Cockney rhyming slang, Senna rhymes with a casual pronunciation of tenner. It is sometimes shortened to Ayrton.