I'm not saying that you don't have a valid idea here, but that doesn't meet with my understanding of the term. I mean when I say I'm a hack piano player, I mean that i can get by but am not classically trained. When I say, this fix for my problem is a hack, I mean that it's not a well engineered solution, but rather that it's a functioning (albeit perhaps ugly) solution.
I can also say that it's a good thing that I didn't apply that when I started working with computers or I would never have gotten to the point where I understood the systems well enough to bend them to my purposes regardless of the intended behavior.
And that doesn't even touch the question of what "intended behavior" might mean for a biological entity which isn't "designed" in a way that has an intended use.
