scrunch scrunch /ˈskrʌntʃ/

noun

1. A crunching noise  ( scrunch )
   a crunching noise
   

verb

1. [Archaic] Make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; 'crisp' is archaic  ( crinkle [Archaic] , crisp [Archaic] , ruckle [British] , crease [Archaic] , scrunch [Archaic] , scrunch up [Archaic] , wrinkle [Archaic] )
   make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; 'crisp' is archaic
    The dress got wrinkled
   The dress got wrinkled
    Crease the paper like this to make a crane
   crease the paper like this to make a crane
   
2. Sit on one's heels  ( hunker , scrunch , scrunch up , crouch , hunker down , squat , scrooch [Informal, American] )
   sit on one's heels
    In some cultures, the women give birth while squatting
   In some cultures, the women give birth while squatting
    The children hunkered down to protect themselves from the sandstorm
   The children hunkered down to protect themselves from the sandstorm
   
3. Make a noise typical of an engine lacking lubricants  ( crump , scrunch , thud )
   make a noise typical of an engine lacking lubricants