crinkle
crin-kle
verb
To form or cause to form small folds, creases, or wrinkles.
"Her eyes crinkled with amusement."
noun
A small fold, crease, or wrinkle, especially in paper or fabric.
"He smoothed out the crinkles in the map."
Thesaurus
Synonyms: crumple, crease, rumple, wrinkle, ruckle, scrunch up, scrunch, crisp, furrow, seam, line