DirtyPopCards.com appears to be a legitimate website. The site specializes in funny 3D pop-up greeting cards and has a presence on platforms like Etsy, where it has received rave reviews with an average rating of 4.8 or higher. The business is based in Mesa, Arizona, and has a history of smooth shipping and on-time deliveries. The website offers a variety of cheeky and inappropriate cards for different occasions, ensuring a unique and humorous experience for customers.