The end of year holiday season brings Washingtonians out of the woodwork with a vengeance. Even the most socially apathetic let their hair down in the festive mood that surrounds the month of December. With three major holidays and the beginning of the new year, pretty much everyone has a reason to celebrate, and those who don’t can gleefully join in the revelry because … well, why miss a good party opportunity. So with all the social hoopla, DCist must bring up some yays and neighs of this year’s holiday fashion.