A durt durt
Someone who acts like they’re the king of the world, even when they’re clearly not
My dog is a durt durt. He thinks he owns the whole neighborhood just because he barked at the mailman once.
My friend is a durt durt. He said he was the best at video games even though he lost every time.
My brother is a durt durt. He thinks he’s the president just because he wore a hat and yelled ‘I’m the president’ in the hallway.