The more time we spend looking through cheeky holiday costumes and ugly Christmas sweaters, the more we're realizing there's a consistent theme running throughout: Santa's a drunk. And not just like your weird uncle type of drunk — like, can't-get-his-job-done wasted . . . which is exactly what this top-selling DomeStar Christmas Hat ($11) makes us think of. Nick hit the eggnog a little too hard, tripped, and landed smack on your head. Thankfully, he can lean on Amazon to finish his deliveries.