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.