bal·der·dash
noun/ˈbɔːldədæʃ/
/ˈbɔːldərdæʃ/
[uncountable] (old-fashioned)- ideas, statements or beliefs that you think are silly or not true
胡说；废话 Word Originlate 16th cent. (denoting a frothy liquid; later, an unappetizing mixture of drinks): of unknown origin.