To be extremely full after eating too much. “I couldn’t eat another bite - I’m stuffed!”

To do something completely or enthusiastically. “We went the whole hog this year: decorations, lights, matching pyjamas - everything!"

The more people join, the better it is. “Sure, invite your friends to dinner - the more, the merrier!”

A cheerful way of saying “It’s the festive season.” “Let’s forget our worries - ’tis the season to be jolly!”

A situation where everything good happens at the same time. "You got promoted and you’re going on holiday? All your Christmases have come together/at once!”

Don’t get stressed or upset. “The turkey’s burnt? Don’t get your tinsel in a tangle - we’ll order pizza!”

To have no chance at all (because a snowball would melt in hell). “I’ve got a snowball’s chance in hell of finishing all this shopping on time.”

Doing something risky or likely to get you in trouble. "You’re skating on thin ice coming late to the family dinner again!"

Be very eager and enthusiastic to go somewhere.  “Are you coming to the Christmas party?” “Of course - I’ll be there with bells on!”

Don’t criticize or question the value of a gift you receive. "He complained about the scarf his aunt gave him - talk about looking a gift horse in the mouth!"

Feeling sad or depressed during the holiday season. "Some people get the holiday blues when they spend Christmas away from family."

To be mean, stingy, or unwilling to spend or celebrate (from A Christmas Carol). “Don’t be such a Scrooge — it’s Christmas!”