crunch

Chew noisily.

“The children crunched the celery sticks”

Reduce to small pieces or particles by pounding or abrading.

Make a crushing noise.

“his shoes were crunching on the gravel”

Press or grind with a crushing noise.

The act of crushing.

A critical situation that arises because of a shortage (as a shortage of time or money or resources).

“an end-of-the year crunch”

“a financial crunch”

The sound of something crunching.

“he heard the crunch of footsteps on the gravel path”