Save by the bell
A last minute rescue from someone or something
The more the merrier
The more people that come the better
Giving someone the cold shoulder
Being mad a someone and not talking to them
Bah! Humbug
Someone who doesn't like fun
Deck the halls
Decorate your house for Christmas
Skating on thin ice
You will be in big trouble next time
Snowed under
To have too much work to do
It's the thought that counts
The kindness behind the act is what counts
Scrooge
someone who doesn't like fun
Lit up like a christmas tree
To show that you are really excited about something.
Grinch
someone who doesn't like fun
On ice
To put something off until later
A piece of cake
really easy
'Tis the season to be jolly
To be happy
Don’t be left out in the cold
To be left out in the cold can mean to be forgotten or left out.
Christmas come early this year
Something good happened or you received something good
Be there with bells on
Very enthusiastic about invitation
To go on a wild goose chase
To look for something that is really hard to find
The proof is in the pudding
You'll prove yourself right
A white Christmas
It will snow