Rumple

(rŭm'pl), v. i. [imp. & p. p. RUMPLED; p. pr. & vb. n. RUMPLING.] [See RIMPLE.] To make uneven; to form into irregular inequalities; to wrinkle; as, to rumple an apron or a cravat. They would not give a dog's ear of their most rumpled and ragged Scotch paper for twenty of your fairest assignats. Burke.

n. A fold or plait. Dryden.