snow job
an attempt to persuade someone to do something, or to persuade someone that something is good or true, when it is not:
Grinch
a person who does not like other people celebrating or enjoying themselves, especially a person who does not like Christmas
Give someone the cold shoulder
intentionally ignore someone or show no interest in them
The more the merrier
The more people that come the better
Be skating on thin ice
be doing something that is dangerous or involves risks
Light up like a christmas tree
become very bright and cheerful
Put on ice
To put something off until later
Be snowed under with work
To have too much work to do
A piece of cake
really easy
Be there with bells on
go somewhere eagerly
It's the thought that counts
good or kind intentions are the most important thing, even if what you do or give someone is not perfect
deck the halls (not very common)
Decorate your house for Christmas
Christmas come early this year
Something good happened or you received something good
The proof is in the pudding
said to mean that you can only judge the quality of something after you have tried, used, or experienced it
Scrooge
someone who spends as little money as possible and is not generous
Stocking stuffer
a small, usually cheap Christmas present
A white Christmas
a Christmas with the presence of snow, either on Christmas Eve or on Christmas Day
snowball effect
a situation in which something increases in size or importance at a faster and faster rate
'Tis the season to be jolly
It's the time of year (usually the holiday season) to be cheerful, joyful, and in good spirits
never look a gift horse in the mouth
Don't be ungrateful for a gift you recieved