The term Central Floridians use to refer to the "The Dougie," in which a person rubs their hands front to back over their head to indicate their freshness/swag.
You seen my boy Hot Sauce hittin his Dookie Wave last night at Dragon Room?
No doubt. You don't need no do rag when you goin hard on yo Dookie Wave like dat, playboy.
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!