A man who watches gay porn, always gets touchy with his friends, is a mega douchebag who plays either lacrosse golf or baseball and is usually knows by his friend group as the one who is gay but acting straight
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!