Any container of items (such as small parts) whose contents are mixed together in a random fashion and which are completely unorganized so as to make seaching for any particular item especially difficult and finding a particular item extremely time consumming and sometimes very unlikely.
You mean Home Depot doesn't have that bolt? Damn! Now I'll have to spend 5 hours looking through my Hell box.
You call this a purse? This ain't nothin' but a girly Hell box.
Hide it in the Hell box man and he'll never find it.