English to English

verb (v)

• sit on one's heels(verb.contact)

  Synonym:
  crouch, hunker, hunker down, scrunch, squat
  

  source: wordnet30
• make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in(verb.contact)

  Synonym:
  crease, crinkle, crisp, ruckle, scrunch, wrinkle
  

  source: wordnet30