Example sentences:

Ramayana:  Ravana’s statement to his assembly that Sita had agreed to give herself up to him after a year was balderdash.

Mahabharata:  Drona angrily rejected as balderdash Duryodhana’s accusation that he was fighting half-heartedly against the Pandavas because he was partial to them.

Bhagavad-gita:  The mind is so cunning that it can make balderdash seem to be the irrefutable truth.