Source : Webster's Revised Unabridged Dictionary (1913)

Crumple \Crum"ple\ (kr[u^]m"p'l), v. t. [imp. & p. p. {Crumpled}
   (-p'ld); p. pr. & vb. n. {Crumpling} (-pl?ng).] [Dim. fr.
   crump, a.]
   To draw or press into wrinkles or folds; to crush together;
   to rumple; as, to crumple paper.

         They crumpled it into all shapes, and diligently
         scanned every wrinkle that could be made. --Addison.

Source : WordNet®

crumpled
     adj 1: having wrinkles; "crumpled paper"; "her skirt had become
            creased"; "a rumpled gray suit" [syn: {creased}, {rumpled}]
     2: of metal e.g.; "bent nails"; "a car with a crumpled front
        end"; "dented fenders" [syn: {bent}, {dented}]