f'pants
A fancy word for someone who acts like they're special. It can also mean something that's really good, but it's still kind of dumb because it's too self-important.
He's a f'pants. He thinks he's the most important person in the school just because he has a watch.
That movie was f'pants. I watched it three times and still didn't get it.
She said my drawing was f'pants. I told her to stop being so dramatic.