A person with a boob fetish or secretly likes men with turbans. Also has a unusual habit of talking to strangers, often scaring them away and resulting in a life with no friends.
'That psycho at the pubsuddenly shouted as us for no reason, what a marence!'
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!