They made a little snapping noise when she flipped them off the deck, I remember.

Then there was a string of little, snapping noises.

Then she heard snapping noises and the warehouse darkened.

The loud snapping noises as jaws opened and closed indicated the animals meant harm.

Shock waves in air are heard as a loud "crack" or "snap" noise.

A sharp snapping noise, followed quickly by another.

There was a muffled snapping noise, like a mousetrap carrying out the last rites.

From beneath them came snapping and grinding noises.

This may be accompanied by an audible snapping or popping noise and pain or discomfort.

Around Lobsang there was a series of snapping noises, and for a moment he thought of the old sweeper's bones.