If you're looking for a tacky Christmas sweater, there are plenty of places to find them. You could check out thrift stores, vintage shops, or even online retailers. Some popular stores known for their tacky holiday clothing include Ugly Christmas Sweater Co., Santa's Ugly Christmas Sweater Emporium, and Ugly Christmas Sweater Club. You could also try browsing social media platforms like Etsy or Pinterest for ideas and inspiration. Whatever you choose, have fun with it and embrace the tackiness!