Named after Australias 2010 World Cupmanager, to do something that makes absolutely no sense to anyone other than yourself and that you refuse to give any explanation about.
or to disgrace/embarrass a nation
person one: why has our manager left our best players on the bench and refused to put even one striker on the field against one of the best teams in the world!
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!