From Longman Dictionary of Contemporary Englishbalderdashbal‧der‧dash /ˈbɔːldədæʃ $ ˈbɒːldər-/ noun [uncountable] STUPID/NOT SENSIBLEtalk or writing that is silly nonsense
Examples from the Corpus
balderdash• Too bad the yarn is interwoven with illogic, inconsistency and outright balderdash. 