Sara doesn't like any of her food options and she won't stop complaining. David asked "Why don't you just pick something to eat, all of the choices are good, you just love to permahate."
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!