Thugs in drape jackets: when the Teddy Boys ruled the roost
In the wake of wars, youth cults spring up, those too young to have fought behaving in a way to scandalise those who did. The Bright Young People were the younger siblings of those who perished, battalion by battalion, on the Western Front. (Come to that, it was after the end of the Peloponnesian War
Source: spectator.co.uk