Everybody is made from stardust, really. I do not understand how something made of stardust can be so halfas in the greater scheme of things. I also like to walk with my feet 10 feet off the ground... I like to think that I am somewhere between greatness and the dirt...I am making this up on the fly...really.
The real story:
A co-worker told me once that my unfinished trail was Half___, and I said "NO! IT's HALFASTRONOMICAL! and then some folks started calling me that, and here we are.