Grange Hill Casuals is a term given to intimidating 12 year olds that go on football away games in a large group. They probably all wear Stone Island coats bought from a market, will definitely wear Adidas Gazelles, and their favourite song will be 'Sally Cinnamon' by The Stone Roses.
Person A: Are you going to Accrington Stanley away mate?

Person B: Dunno, are the Grange Hill Casuals going?

Person A: Yeah they are.

Person B: I'll give it a miss mate, we were at Plymouth away last week and one of them set off a pyro.
by mandem June 14, 2015
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