v. & n.
v.tr. 1 compress into small folds or ridges; frill. 2 make narrow wrinkles or flutings in; corrugate. 3 make waves in (the hair) with a hot iron.
n. a crimped thing or form. put a crimp in US sl. thwart; interfere with. crimper n. crimpy adj. crimpily adv. crimpiness n.
[ ME, prob. ult. f. OHG krimphan ]