I don't think it is macabre at all. "Hang" just means suspended. A ball on a string is hanging instead of falling. Laundry can be hung out to dry. It's about so

I don't think it is macabre at all. "Hang" just means suspended. A ball on a string is hanging instead of falling. Laundry can be hung out to dry. It's about something that would normally move that is not doing so. Also see "hung jury".