rumpling

/R AH1 M P L IH0 NG/
verb
  1. 1

    To make wrinkled, particularly fabric.

    โ€œI'll rumple my bedsheets so it looks like I was here last night.โ€

  2. 2

    To muss; to tousle.

noun
  1. 1

    The act by which something is rumpled.

Source: https://en.wiktionary.org/wiki/rumple, https://en.wiktionary.org/wiki/rumpling