crusty Meaning, Definition & Usage

  1. adjective satellite having a hardened crust as a covering
    crusted; encrusted; crustlike.
  2. adjective satellite brusque and surly and forbidding
    gruff; ill-humored; ill-humoured; curmudgeonly.
    • crusty remarks
    • a crusty old man
    • his curmudgeonly temper
    • gruff manner
    • a gruff reply

WordNet

Crust"y adjective
Definitions
  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.

Webster 1913