Crusty

Crust"y (-?), a. 1. Having the nature of crust; pertaining to a hard covering; as, a crusty coat; a crusty surface or substance.

2. [Possibly a corruption of cursty. Cf. Curst, Curstness.] Having a hard exterior, or a short, rough manner, though kind at heart; snappish; peevish; surly.

Thou crusty batch of nature, what's the news?
Shak.