someone who is at least physically attracted to the opposite sex. Despite what some people not everyone is meant to be hetrosexual though most are. Often spelled heterosexual.
A flaming hetrosexual is a person who is so overly fixated at appearing straight and manly that it boarders on gayness.
See flaming homosexual
Dude1:"I am going to Starbucks, you want to come along?"
Dude2:"I don't go to Starbucks I am afraid I might turn gay."
Dude1:"dude, you are such a flaming hetrosexual."
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.