Boat people: the Vietnamese who fled their country in rafts created a new category of refugees in 1977

Hotpants: skimpy shorts of 1970 had died a fashion death within a year

Male chauvinism: newly liberated women came up with a name for men's attitudes

Nouvelle cuisine: the move to take the traditional rich sauces out of French cooking was christened in 1974 by two French food critics

Streaking: a craze which started on US college campuses in the early 1970s