verb. ['ˈskrʌntʃ'] make a noise typical of an engine lacking lubricants.
noun. ['ˈskrʌntʃ'] a crunching noise.
verb. ['ˈskrʌntʃ'] make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in.
verb. ['ˈskrʌntʃ'] sit on one's heels.