What is "poppings"

Usage examples of "poppings".

At night, lying -quietly in her bed, Ayla became aware of mysterious sounds that seemed to be coming from deep within the earth: grindings, poppings, chortlings, gurglings.

But even through the treated glass of the windshield I could see and sense the atrocious lancings and poppings in the ruined sky.

There were sounds, but he knew they were normal ones, of the kind he could hear at home in the dark night watches, an intermittent symphony of small crackings and poppings made by boards, flooring, and other structural members as they cooled.

The stone walls stopped many of the bullets, but others jangled the glass out of the windows, chewed at the door frame, and made dull poppings as they tore through the roof.

But, as the gusts strengthened, the flames grew, streaming back into the tunnel, sharp poppings coming from within.