Wiktionary
crustie
n. (context British slang English) A New Age traveller, or other similar person.
Usage examples of "crustie".
The crustie slid over onto his back, and Vince landed astride his chest.
It wasn't a crustie at all, but a sickly young man with a badly-shaved head and an oversized navy raincoat who, having fulfilled his role as a human airbag, was attempting to wriggle out from beneath his attacker and stand up.