Air jump, also known as a leap, jump or hop, refers to a physical action where someone lifts themselves, spreading their legs and landing on their feet. Some alternative ways one could refer to an air jump include up and down motion, high jump, bounce, or spring. Similarly, words like bound, skip, or vault could also fit the description of an air jump. Depending on the context, one could also use phrases such as "take off" or "leap of faith" to describe the action of propelling oneself upwards and landing on their feet. No matter how you describe it, an air jump can be a great way to move your body and have some fun!