Scrape
An illegal drug used by young gutter Trolls who have sunk particuarly low in terms of cash and self-respect. It is low-grade Slab boiled up in a tin can, with cheap alcohol and pigeon droppings.
"It a few bitsa drain-grade Slab boiled up inna tin wi'alcohol and pigeon droppings. It what der street trolls make when they is short of cash and self-respect. It what you "scrape up", see?"