The Collaborative International Dictionary of English v.0.48:
Crinkly \Crin"kly\ (-kl?), a. Having crinkles; wavy; wrinkly. [1913 Webster]WordNet (r) 3.0 (2006):
crinkly adj 1: uneven by virtue of having wrinkles or waves [syn: crinkled, crinkly, rippled, wavy, wavelike]