rumple (v.) Look up rumple at Dictionary.com
c.1600, possibly a variant of rimple "to wrinkle" (c.1400), from Old English hrympel "wrinkle" (possibly influenced by Middle Dutch rumpelen), related to Old English hrimpan "to fold, wrinkle" (see ramp (v.)). Related: Rumpled; rumpling. As a noun from c.1500.