Way much better is an adjective a person may use to describe something as superior. It may also be used to close off a debate with someone suggesting an alternative. Even though there is no factual reason explaing why something is way much better, its undersood by those discussing that by saying way much better there is no need to exlpain why or how or details.

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.