"No." George kicked at a mound of crumbly stuff, and jumped back as a horde of many-legged, shiny-backed things ran out.
The prefabricated refinery processed the crumbly stuff, turning it into thick dark bricks of protoplastic, the fodder of their building and pharmaceuticals industry.
What was that horrible crumbly brown stuff you put in Tuscum and Banks?
Oh, all the crumbly stuff.
The soil they push up is indeed lovely crumbly stuff, generally from beneath the seed bank (the top few inches of soil that contains dormant weed seeds).
Any soda bread I've tasted has been from within the five boroughs of New York, except for that one time I found some crumbly stuff in an Irish pub in Paris.
Decomposed leaves and garden debris are nature's black gold, the crumbly stuff that improves soil and makes plants grow better.
Chocolate normally was dullbrown crumbly stuff that tasted, as nearly as one could describe it, like the smoke of a rubbish fire.
These pipes were older, not kiln-fired ceramic but a crumbly claylike stuff that sometimes oozed springs of unpleasant-smelling fluid.