Derived from the term Hairy Scary (excessive pubic hair). The Harry Caray Hairy Scary occurs when you find public hair on your Chicago-style deep dish pizza.
Holy cow! The pizza was awesome; at least until I found the Harry Caray Hairy Scary. Not sure how that got there.
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!