[ruhm-puh
l] 
verb, -pled, -pling, noun | 1. | to crumple or crush into wrinkles: to rumple a sheet of paper. |
| 2. | to ruffle; tousle (sometimes fol. by up): The wind rumpled her hair. |
| 3. | to become wrinkled or crumpled: Tissue rumples easily. |
| 4. | a wrinkle or irregular fold; crease. |