Those persons who are under the impression that their ability to communicate continuously with others is far more important than anything else in their lives. They poke at their i-gadgets endlessly while completely ignoring those persons around them.
Susie is certainlyone of the i-mannered. She has been glued to her i-phone for over an hour.
The quality of knowing how to offend and alienate as many people, in as short a time, as possible.
He was their new neighbor, so comprehensively offensive to everybody that within a couple of weeks of his arrival he was a laughing stock. No one wanted him there. No one was speaking to him, or ever would. He had trained hard to become what he was - impeccably ill-mannered. It was a talent given to few.