Dustalow
Like the dust bunny a Dustalow is a clump of dust, hair, fur, fluff(etc.) that tends to accumulate in indoor areas that tend to have little traffic or disturbances. However, Dustalows are significantly Larger versions of dust bunnies.
Damn dude, we need a few supplies to clean this place up. Those aren't even dust bunnies anymore, they've evolved... Those are Dustalows!!!