dirtfall

plural dirtfalls

1. rareA cascade of falling dirt and accompanying debris; a landslide or avalanche.

   The road curved as it roughened, with some dirtfalls cascading onto the road in some places from rain and wind.

   2014, Diana Marcellas, The Sea Lark's Song

   3 more examples

   Dirt and rocks cascade from above you. It's like a waterfall of dirt—a dirtfall!—and you cover your head and take a breath, bending forward in hopes of creating an air pocket for yourself. The dirtfall buries you.

   2005, Nancy Holder, Keep Me in Mind, page 126

   She glanced at Charlie and saw that a pair of arms had snaked out of the wall to trap his lower legs. The dirtfall doubled in volume.

   2010, F. Paul Wilson, The Haunted Air: A Repairman Jack Novel, page 477

   The little colony was thriving, having the benefit of water, a nearby supply of wood, an abundance of plants, animals and fish and minimal damage from the dirtfall.

   2012, George Groves Jr., Eden... Closed, page 531