There is a clump of people standing outside of the new store, each of theme eager to partake in its opening sale before the competition can take the best goods.

Groups of friends tend to form a clump in the school hallways, their bodies blocking off the route to class for other students with places to be.

The protesters were little more than a clump of angry people right now, but I was certain that their numbers would grow into a large crowd soon enough.

Penguins will often gather together in a clump to conserve body heat and fend off the chilling winds of their habitat.

I saw a clump of ants on the sidewalk today, but I didn’t realize why they would be so tightly packed together until I saw that they were attacking an earthworm.