Pile of Shiny Stuff is a Greenskins infrastructure building in Total War: Warhammer. A pile of shiny stuff is what the Greenskins have collected from raidin'.
Background
A pile is a moderately good mound of valuables. A Boss may fling some to his Big 'Uns and closest mates, with the rest used as a status symbol. The bigga the pile of shiny stuff, the more successful the Boss is judged to be.