A loud thwack shakes the roof of the guesthouse where we sleep.

The body hit with a loud thwack, and the resulting splash showered the dock with water.

Suddenly my father's right hand came out of nowhere, slapping himself in the head with a loud thwack.

The next instant there came a loud thwack, which told that the boy's shaft had found its mark.

Jul heard a loud thwack-followedby absolute silence-asif Naxan had rapped one of the children with his dummy weapon.

This time she does drop the phone, and it crashes against the chair before hitting the tile floor with a loud thwack.