Reply to email requests for clarification of terms:
Though as Iain points out in his hilarious new book everyone should buy, the term can now refer to people of any defined gender, and is generally based on loutish behavior rather than simply social class.
Whereas ‘chav’ in street terms is more about style and fashion, the terms are often confused or conflated.
Nobody is ever called a hesher though. That is one of the many linguistic hangovers from my working class youth that has not been useful in adult life.