The Collaborative International Dictionary of English v.0.48:
Scraggy \Scrag"gy\, a. [Compar. Scragger; superl. Scraggiest.] 1. Rough with irregular points; scragged. "A scraggy rock." --J. Philips. [1913 Webster] 2. Lean and rough; scragged. "His sinewy, scraggy neck." --Sir W. Scott. [1913 Webster]