obnoxopus
a person who acts like they're the most important person in the room and everyone else is a waste of space
My friend's dad is an obnoxopus. He told the whole restaurant he was the best dad ever.
My teacher is an obnoxopus. She said I was the worst student in the history of the world.
My cousin is an obnoxopus. He said my dog was the most annoying dog ever.