Much like "sick" or "ill" unhealthy is the newest word used to express awe or approval of something. It can be applied to any noun but is often used in a sequence.
1. Dude that trick was unhealthy
2. Yo, this samwhich is mad ill unhealthy sick nasty
One of the things someone goes to when they don't have much else. Sure, there are always more tricks in the bag to reach for, but once they get to calling someone unhealthy, they've already went through a lot of tricks and now they're looking for bricks.
If she runs out of tricks, she's gonna start picking up bricks when she sees that the eggs and slingshot aren't doing much to her opponents pretty but unhealthy face.
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.