1)A person who has committed suicide. Note that this term is not generally used for people that use suicide as a warfare tactic (such as kamikaze pilots or suicide bombers) UNLESS they fail to acheive their objective while killing themselves.

2) Someone who does something so dangerously stupid that it results in their death, effectively accidentally comitting suicide.
Budd Dwyer became an hero.
by Ace Crikey December 7, 2006
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hero used to be some one who risks there life for aother people and still is uses like this but now days a hero can also be a guy who thinks hes better than other people ...or a person that thinks hes a real hero(as i said before ) but is rally just a wanker(dickhead)
or a bragger
Yester day i fuck this hot as chick.
stop lieing u hero
by pet pet April 25, 2008
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Referring to their boyfriend as their "Hero" or "Heroine" for girlfriend.

Can also be broken down;

Full-time hero: Fully together
Part-time hero: casually seeing someone
In tears hero: they have cheated
Dead hero: widowed
Person 1: Are you seeing anyone?
Person 2: Yes, I've been with my hero two years.
by Lol2222 March 18, 2012
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Zoë Washburn: Do you know what the definition of a hero is? Someone who gets other people killed. You can look it up later.
by Browncoat Bitca February 4, 2008
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A person who said that they will always be there for you. and they actually meant it
"Hey Josh I'll always be there for you"
10 years later
"Josh I'll be there for you dont worry"
"Thanks Josh you'r a true Hero"
by JaredR21330 September 6, 2008
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A man who parties hard, often gets drunk, and picks up a lot of women.
Honestly I don't remember much from last night, but you were a hero!
by Toly Veneto October 26, 2010
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