The conversation was interrupted by a sudden thud and sway as further passengers came aboard.

And the rest, after a sudden wet thud, was silence.

A sudden thud brought him back to reality.

Cardona turned over lazily as he heard the sudden thud of slow footsteps.

You're not quite sure where the potholes are or when you're about to steer the conversation into a sudden thud.

The scream stopped with a sudden thud when he hit the rocky ground below.

Then there was a sudden thud, like a stone hitting a roof, and the mud started caving in.

She heard a sudden dull thud, then another.

Then there came a sudden thud, something like the sound of a stool hitting the ground.

Snow fell off the roof and hit the ground with a sudden thud.