Now that Thanksgiving is done and dusted, it's time to really get into the swing of the holiday season—and if one of your guy's favorite things about December is the opportunity to wear his favorite ugly Christmas sweater, well, then you've come to the right blog today. How many times have you gotten into a fight with some guy (your guy, maybe your brother, your dad, or just some random guy, whatever) about how he's totally underdressed for the occasion? Yeah. Guys. But if his favorite…