Nervous, apprehensive.
(entertainment) creatively challenging; cutting edge; leading edge.
(entertainment) on the edge between acceptable and offensive; pushing the boundaries of good taste; risqué.
Irritable.
Example: "An edgy temper"
Having some of the forms, such as drapery or the like, too sharply defined.
(of a knife or blade) sharp.
Cool by virtue of being tough, dark, or badass.
Exhibiting behavior that is disconcerting or alarming, sometimes in an effort to impress or to troll others.