the group of young people in the 1950s, including the writers Jack Kerouac and Allen Ginsberg, who refused to accept the values of Western society, and showed this by refusing to work, keeping no material possessions, and wearing their own style of clothes
e.g., bebop a United States youth subculture of the 1950s; rejected possessions or regular work or traditional dress; for communal living and psychedelic drugs and anarchism; favoured modern forms of jazz
people born and living in the US, whose parents originally come from a foreign country and have not learnt to speak English properly. Generation 1.5 children are able to speak English well, but talk in the language spoken by their parents when they are at home.