 If you're happy and you know it, clap your hands. If you're happy and you know it, clap your hands. If you're happy and you know it, then your face will surely show it. If you're happy and you know it, clap your hands. When you see the happy face on our truck, you'll be smiling because you know that you're in luck. When you're fixed up and you know it, healer solved it like you hoped it. If you're happy and you know it, shout it out, healer.