Why was the candy cane invited to all the Christmas parties?

Because it was a suckers' favorite

Why did Santa invest in noise-cancelling headphones?

He was tired of hearing 'All I Want for Christmas Is You' on repeat for two months straight.

What do you call Santa's fear of being stuck in chimneys?

Claus-trophobia.

What did the Christmas tree say to the ornament?

You look great, fir real!