Meaning of the word balderdash in English

What does balderdash mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

balderdash

US /ˈbɑːl.dɚ.dæʃ/
UK /ˈbɔːl.də.dæʃ/

something that is stupid or not true:

Example:
"Balderdash!" he spluttered indignantly.