A collective noun to describe a group of Japanese tourists, particularly if they are carrying expensive cameras and are adorned excessively in branded merchandise.
"Yo Elisa, Check out that sushi train over there!"
Elisa " Holy shit! Is there a hello-kitty convention nearby or something?"
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!