How should I ask this guy out?

This guy is a friend of a friend basically and I know of him through them and social media basically all communication is through social media I like him but I never get to talk to him and I want to get to know him better can you help me figure out how I can ask him out without being weird about it i would probably DM him but I don’t know what to say that wouldn’t be awkward because I know of him but he doesn’t really know me