Taco Bell Stress Disorder. a disorder that only Taco Bell employees have. When you see XLG on a license plate, you think of the drink size. When you greet someone with "Hi, welcome to Taco Bell. My name's _____. How are you doing tonight?" it means you have TBSD.
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!