Internet slang for a couple that suits each other in proclivities. For instance both having eclectic taste in media or sexual preferences. Also can be used to describe a couple who is mutually obsessed.
You guys are such a freak 4 freak couple with the way you stalk him and he constantly watched you through his window.
A long-awaited update to a VR game named Bonelab created by Stress Level Zero. It's said to improve the Marrow engine, the SDK, and add a built-in mod manager. Also goes by the name Project 4.
Friend: "Man, I hope Patch 4 comes out soon!"
You: "Same. I'm a standalone user and I really want that built-in mod manager."