crunch

crunch
/kr_nCH/

Verb
Crush (a hard or brittle foodstuff) with the teeth, making a loud but muffled grinding sound: “she paused to crunch a gingersnap”.

Noun
A loud muffled grinding sound made when crushing, moving over, or hitting something.

Synonyms
verb. scrunch – creak – munch – crackle noun. creak