“Another neighbor reported seeing him walk towards a clump of trees holding what looked like a rifle.”

“Without warning, he thrust his hand into the ground, pulled out a clump of dirt and, holding it to the sky, cried out.”

“I heard the clump of boot-steps and saw Bernard on his way to the farm.”

“First, by spending adequately on marketing, firms can increase the clumpiness of a customer with the hope of increasing their value.”

“Instead of depending on random variables, the index of clumpiness K depends on several factors involved in the spatial distribution of galaxies.”