Why did Santa's reindeer go to therapy?

They had a lot of 'deer-pressing' issues to work through.

What do elves learn in school?

The elf-abet

What did the grape say when it got stepped on at the holiday party?

Nothing, it just let out a little wine and said it was having a crush-ing Christmas.

Why do parents sometimes feel like they're living in "Home Alone" during the holidays?

Because after the kids help decorate, the entire house becomes a booby trap!