"I'm pretty thirsty, I think I'll go to the soda fountain." "You getting some liquiddies, bro?"
"When it gets cold enough liquiddies change phase to soliddies."
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!