Why Is a Piano Called a Joanna?
Keep in mind that some cockney rhyming slang can only be understood if you're familiar with the cockney accent. For instance, “Aunt Joanna” means “piano.” That's because in cockney English, “piano” is pronounced “pianna,” which rhymes with “Joanna.”

Is Joanna a nickname for piano?

Joanna is Cockney Rhyming Slang for Piano!

What is an old Joanna?

Noun. joanna (plural joannas) (Cockney rhyming slang, often "old joanna") A piano.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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