Idiaudacity 

Some one who is essentially an idiot and exhibits rude behavior.

Idiaudacity is defined as an idiot with audacity.

Idiaudacity by Hotsie69 April 27, 2022

idiodacity 

arrogant ignorance

Even though she didn't know what the hell she was talking about, she would still continue to argue non-relevant, misinformed points but believe them to be true because 'she says so'. I just shook my head in disbelief of her idiodacity.

idiodacity by clavan February 21, 2009

Idiodacity 

The Audacity of being an idiot.

I can’t believe he had the idiodacity to say that.

Idiodacity by Angelic_blisst September 16, 2020