Source : Webster's Revised Unabridged Dictionary (1913)

Jaggy \Jag"gy\, a.
   Having jags; set with teeth; notched; uneven; as, jaggy
   teeth. --Addison.

Source : WordNet®

jaggy
     adj 1: having an irregularly notched or toothed margin as though
            gnawed [syn: {erose}, {jagged}, {notched}, {toothed}]
     2: having a sharply uneven surface or outline; "the jagged
        outline of the crags"; "scraggy cliffs" [syn: {jagged}, {scraggy}]
     [also: {jaggiest}, {jaggier}]