v. t. [ imp. & p. p. Crumpled p. pr. & vb. n. Crumpling ] [ Dim. fr. crump, a. ] To draw or press into wrinkles or folds; to crush together; to rumple; as, to crumple paper. [ 1913 Webster ]
They crumpled it into all shapes, and diligently scanned every wrinkle that could be made. Addison. [ 1913 Webster ]