crusty crusty /ˈkrʌsti/

adjective

1. Brusque and surly and forbidding  ( crusty , curmudgeonly , ill-humored [American] , gruff , ill-humoured [Canadian, British] )
   brusque and surly and forbidding
    Crusty remarks
   crusty remarks
    A crusty old man
   a crusty old man
    His curmudgeonly temper
   his curmudgeonly temper
    Gruff manner
   gruff manner
    A gruff reply
   a gruff reply
   
2. Having a hardened crust as a covering  ( crustlike , crusty , encrusted , crusted )
   having a hardened crust as a covering