Yeet can be used in many different ways, depending of your own mastery of the term. It is most commonly used as a informal interjection in the context of throwing something, or jumping. If you are a master of the Yeet, you can use it on virtually anything, as well as using different forms, such as Yeetus Deletus, or just Yeetus. There are a lot more complications the the word, and I'll leave it to you to figure them out.
Verb: Tommy proceeded to yeet the ball at her face.
Adjective: Adrian used his yeet stick to launch the rock across the field