WordNet sense 1 ((used of sexual behavior) showing or appealing to bizarre or deviant tastes):

perverted

WordNet sense 2 (not normal; not typical or usual or regular or conforming to a norm):

abnormal

WordNet sense 3 (of hair in small tight curls):

crisp, frizzly, frizzy, nappy

WordNet sense 4 ((of hair) having curls or waves):

curly

WordNet sense 5 (informal terms; strikingly unconventional):

far-out, offbeat, quirky, way-out

WordNet sense 6 (not conventional or conformist):

unconventional