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blah, blah, blah
slang A phrase used to summarize unsurprising or boring statements. Why was that meeting three hours long? This quarter's numbers, blah, blah, blah—that seriously could have been condensed into 20 minutes! Oh, my mom is fine, blah, blah, blah, just the usual stuff going on at home.
See also: blah
phr. a phrase echoic of gibberish or incessant chattering. (It can be repeated many times.) Why all this blah-blah-blah?