A fork of Rural Dictionary
In the world of online gaming, usually used sarcastically, e.g. when running enthusiastically into a high-risk situation where failure is immanent. Sometimes this can actually help the player's team - for example, if the enemy is distracted by the hero - but it usually is done only for amusement.
There is a famous video of Leroy Jenkins being a hero. While playing Team Fortress 2, I decided to be a hero. I ran around as a civilian, distracting the other team while my teammates captured the control point.
A hero is sometimes used to describe the final product of a photo shoot or any creative project. The "hero" is the final image to be used that has been agreed upon by the art director, photographer and client or whichever single person has the big dick for the day.
Jeff: Yes sir. I think thats the Hero shot. Graham: Fucken A man that was a bitch to get but it sure was worth it. Jeff: Hell yeah man. Looken good! Graham: Feelin good!