| Idiom | Meaning | Example |
| clam |
dollar, buck
|
He paid a hundred clams for that radio.
|
| clam up |
stop talking, become quiet
|
Why do you clam up when we mention Judy? Why so quiet?
|
| claptrap |
nonsense, trivia, bull
|
I heard what the psychic said. What a lot of claptrap!
|
| class act |
a fine person, a lady, a gentleman, first class
|
Do you know Stephen Lewis? Now there's a class act!
|
| claws are showing |
show resentment or envy or jealousy, if looks could kill
|
When you talked about Carla, your claws were showing. Do you dislike her?
|
| clean bill of health |
(See a clean bill of health)
|
|
| clean bill of health |
(See a clean bill of health)
|
|
| clean cut |
well groomed, clean, neat
|
We're looking for clean-cut boys to work as waiters.
|
| clean me out |
buy all I have, steal everything I own
|
The thieves cleaned us out. They took everything in our house.
|
| clean up |
pick up garbage, put away clothes or toys, wash
|
Lorne, please clean up the mess in your bedroom.
|