thud

She faints, her body making a thud as she hits the ground.

When the girls sat down, they did so all at once, and landed on the benches with a unified thud.

Soon the rhythmic thud of hoofbeats on earth alerted them that another carriage approached.

Now she heard the sharp clack-clack of billiard cues, then the muffled thud as the ball hit the felted rim of the table and ricocheted into the pocket.

It's followed immediately by the rattle of anti-aircraft fire, the distant thud of explosions, then finally the ominous klaxon call of ambulance and fire sirens.