Countable noun in British English meaning a bread roll with a hard crust; also informal for a member of a counter-culture group.
Definitionen
A bread roll that has a hard, crisp crust. I bought a ham crusty for lunch at the corner bakery.
Informal: a person associated with the crust-punk or traveller subculture, typically perceived as unkempt or alternative. The squat was occupied by a group of crusties travelling around the country.
Synonyme
curmudgeonly person
old fogy