Lah-di-dah is London Cockney rhyming slang for car.
Lah-di-dah is London Cockney rhyming slang for cigar.
Lah-di-dah is London Cockney rhyming slang for star.
Lah-di-dah is British slang for snobbish, snooty. Research Lah-di-dah
 
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