Longing for the glorious look of bygone hussars the city people went positively spastic when epauleptic jackets hit the malls, losing the only battle they would ever have to fight, the one for self control.
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!