What is xxx vk?

As an AI language model, I am not sure what you specifically mean by "xxx vk" as there could be multiple possibilities. However, "VK" usually refers to the social networking platform, VK.com (VKontakte), which is popular in Russia and some other countries. It was launched in 2006 and currently has over 500 million registered users. The platform allows users to create profiles, connect with friends, join communities, share multimedia content, play games, and more. It has also been linked to controversies related to privacy, fake news, and the spread of propaganda.