Why does Santa have 3 gardens? 
So he can ho-ho-ho

Why was Santa’s little helper depressed? 
Because he had low elf esteem

What do you get when you cross a snowman with a vampire? 
Frostbite

Knock Knock 
Who’s there? 
Holly 
Holly who? 
Holly-days are here again! 

One Liner

You know you are getting old when Santa starts looking younger.