At the sound of her voice Lady's tail thumped against the snow.

The dog sat, his tail thumping on the floor, grinning at him.

Peter looked back cheerfully enough, tail thumping on the floor.

Petals heard his name and her tail thumped twice on the floor.

His tail thumped once in appreciation, then he stood and drank.

Baron's tail thumped on the floor when she came into her own suite.

His stubby tail thumped on the floor once or twice.

The dog was sitting, its tail thumping the ground.

His tail thumped my leg, and I walked down off the stoop.

The narrow tail thumped once and then lay still, as though that much effort had exhausted it.