The small stone landed in the sand below with a dull thunk.

I kicked the knee plate once again, hoping for more time with her, but there was only a dull mechanical thunk.

Elsewhere, throughout the ship, he heard dull metallic thunks as more hatches shut.

Moments later a dull thunk echoed in the night.

Their foreheads met with a dull thunk, and blinding pain shot through his head.

She heard the door shut softly behind him, then the dull thunk of his helmet on the hall floor.

His sword struck with a dull thunk and bounced off.

There was a dull thunk as she connected solidly; then the man fell to the ground and lay quite still.

I came around with the butt and there was a dull thunk as he hit the floor under my feet.

The lower fragment hit the stones by his feet with a dull thunk, and without thinking Kharl dropped the useless other half.