"Proud as a peacock" is a saying that is used to mean a vain or self-centered person.

I met with Hekmatyar, an arrogant, self-centered person.

"What, who would marry a selfish, self-centered person like me?"

She's the single most self-centered person I've run into in politics-it's all about her.

He is the most self-centered person I know.

Parents who cannot stand to see the child even momentarily unhappy risk rearing a self-centered person.

You don't need God or anyone else-no credit to you, unless it is a credit to be the most self-centered person alive.

If only Kanye wasn't an arrogant, self-centered person.

You, Blair Simpson, are the most self-centered person I've ever known.