The phrase "garbage heap" refers to a large pile or collection of trash or waste. It is often used to describe a messy, dirty, or disorganized area full of discarded items. Full definition
She describes Yellow Towel as «a kind of prodding — like if there were a big garbage heap of base level stereotypes and I had a stick and started prodding it.» (cincinnatimagazine.com)
Since they are totally ignorant of the terror of an ontological reality — that which is not of time and space — they criticize the Bible by comparing hell to no more than a burning garbage heap, etc.. (nakedpastor.com)
Such garbage heaps appear to have fostered the growth of trees and thus accumulations of dirt, seeds and other material that eventually became islands. (scientificamerican.com)