Words at Play : A Thoughtful Guide to Words About Nonsense
Definition:
: nonsense; empty talk
Example:
"If Mr. Austin has indeed taught nuclear physics, he needs to do better than toss out some jingoistic pseudoscientific balderdash, assuming that nobody will know how specious his ideas really are." – comment on The Augusta Chronicle Web site, December 17, 2012
About the Word:
At one time, balderdash ("origin unknown") referred to an odd and usually objectionable mixture of drinks (such as beer and milk or beer and wine). Balderdash with a capital "B" is now the name of a family board game.