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blah-blah-blah

or blah-blah

[blah-blah-blah or blah-blah]Slang.
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adverb
  1. and so on; and so forth.
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noun
  1. meaningless chatter; idle gossip: the blah-blah-blah of gossip columnists.
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Origin of blah-blah-blah

1920–25, Americanism; reduplication of blah
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018