blah
noun
°Nonsense; drivel; idle, meaningless talk.
°(in plural, the blahs) A general or ambiguous feeling of discomfort, dissatisfaction, uneasiness, boredom, mild depression, etc..
adjective
°Low in spirit or health; down.
interjection
°An expression of mild frustration.
°(When spoken repeatedly, often three times in succession: blah blah blah!) Imitative of idle, meaningless talk; used sometimes in a slightly derogatory manner to mock or downplay another's words, or to show disinterest in a diatribe, rant, instructions, unsolicited advice, parenting, etc. Also used when recalling and retelling another's words, as a substitute for the portions of the speech deemed irrelevant.
synonyms: bosh, bombast, bunkum, claptrap more» , eyewash, fustian, rant, hooey, humbug, rubbish, twaddle, malaise, blah blah blah, yada yada yada