scrunch up

Verb scrunch up has 2 senses

• scrunch up(v = verb.contact) crouch, hunker, hunker down, scrunch, squat - sit on one's heels; "In some cultures, the women give birth while squatting"; "The children hunkered down to protect themselves from the sandstorm"
is one way to sit, sit down
Sample sentences:
Something ----s
Somebody ----s
Somebody ----s PP

• scrunch up(v = verb.contact) crease, crinkle, crisp, ruckle, scrunch, wrinkle - make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; "The dress got wrinkled"; "crease the paper like this to make a crane"
is one way to fold, fold up, turn up
Sample sentence:
They scrunch up the sheets