1 a person whose behaviour is strange and different from that of most people, or who does, says, or believes things that are not based on reason:
This was considered a wackadoodle conspiracy theory over here.
America's Founding Fathers certainly did lead interesting, convoluted, not to say completely wackadoodle lives.
Suddenly, cloning for stem cells is no longer the wackadoodle scheme it once was.
Had Sigmund Freud not been a writer of genius, would his wackadoodle theories be anything more than a minor footnote?
A former president of a company he worked at - he lasted for three months - called him a wackadoodle.
A learned journalist from the New York Times called me a wackadoodle.
This is an open letter to assorted climate-change wackadoodles.
