| Idiom | Meaning | Example |
| number one |
the best, the winner, top dog
|
"We're number one!" the crowd shouted when we won the game.
|
| numbskull |
idiot, foolish person, dimwit, dipstick
|
Why did he call me a numbskull? I'm not stupid.
|
| nut |
a person who acts crazy or foolish
|
You nut! Wearing that wig makes you look like a British judge.
|
| nut bar, nut case |
(See a nut case)
|
|
| nut house |
mental hospital, psychiatric ward, loony bin
|
They took Hans to the nut house when he taped paper wings
to his arms and tried to fly.
|
| nuts |
crazy, around the bend, off your rocker
|
If that phone rings once more I'll go nuts!
|
| nuts |
oh no, darn, rats, sheesh
|
When he doesn't catch the ball, he says, "Nuts!"
|
| nuts about |
likes a lot, passionate, crazy about
|
Helen is nuts about Mozart. She loves his piano concertos.
|
| nutty as a fruit cake |
funny, kooky, mad as a hatter
|
Do I know Karl? Yes, I do. He's nutty as a fruit cake!
|