The Collaborative International Dictionary of English v.0.48:

Frizzly \Friz"zly\, Frizzy \Friz"zy\, a.
   Curled or crisped; as, frizzly, hair.
   [1913 Webster]

WordNet (r) 3.0 (2006):

frizzly
    adj 1: (of hair) in small tight curls [syn: crisp, frizzly,
           frizzy, kinky, nappy]