blah vs yadda

blah

intj
  • 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. 

  • An expression of mild frustration. 

  • Representing the sound of vomiting. 

verb
  • To utter idle, meaningless talk. 

noun
  • (in plural, the blahs) A general or ambiguous feeling of discomfort, dissatisfaction, uneasiness, boredom, mild depression, etc. 

  • Nonsense; drivel; idle, meaningless talk. 

adj
  • Low in spirit or health; down. 

  • Dull; uninteresting; insipid. 

yadda

intj
  • Used three times in a row, or in combination with other words, to indicate part of a sentence which would be annoying to include, or which is incomprehensible, or which is just unimportant. 

noun
  • One of a set of items which do not need to be specified; often used in conjunction with the catch phrase yadda yadda yadda. 

How often have the words blah and yadda occurred in a corpus of books? (source: Google Ngram Viewer )