ya‧da ya‧da ya‧da, yadda yadda yaddaAmerican Englishspoken
said when you do not want to give a lot of detailed information, because it is boring or because the person you are talking to already knows it [= blah, blah, blah]:
I started talking to her and - yada yada yada - it turns out she's from New York too.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
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