He had counted to four when they heard a soft plop.

It thrust about, then fell to the deck with a soft, wet plop.

They dropped off his body with soft plops, save for a couple whose jaws would not loosen.

After a while, they came back and he heard something dropped with a soft plop beside the hands that shielded his eyes.

It landed with a soft plop in the center of the tar pit.

He dropped the stone and it rolled a little before falling into the water with a soft plop.

The flask fell into the sand with a soft plop.

It hit with a soft plop and inched toward the shadows.

S omething dark landed on the path in front of us with a soft plop!

The clippings fell with a soft plop on the center of the doctor's desk.