From WordNet (r) 3.0 (2006) :
ruckle
v 1: make a hoarse, rattling sound
2: make wrinkles or creases on a smooth surface; make a pressed,
folded or wrinkled line in; "The dress got wrinkled"; "crease
the paper like this to make a crane" [syn: wrinkle,
ruckle, crease, crinkle, scrunch, scrunch up,
crisp]