Eanotakianiama - A person who thinks they're the center of attention and ever

A person who thinks they're the center of attention and everyone else is just there to listen.

Eanotakianiama didn’t even let me finish my sentence before he started talking about his day.

At the restaurant, Eanotakianiama told the waiter his life story before we even ordered.

Eanotakianiama walked into the room and immediately started talking about his latest pet project.