You ever have your knees crack so good that you expect them… Commentary:"Crackling knees? More like disco knees! 💃✨ Who knew our joints had secret talents? Glow-in-the-dark knees could be the next big rave trend! 🌟💫 #PartyOnWithYourKnees" Related Funny Posts 🤝 Just heard my knee crack so loud I expected it to glow in the dark. My only addiction is coffee, which is just like crack but is legal and tastes good. I want a chiropractor to crack my entire body like a glow stick. Texting a man first feels like I’m on my hands and knees begging him to talk to me. All these microplastics in me could at least do some repair work to my knees and back while they’re in there.