rastas -
(Jamaica) a Black youth subculture and religious movement that arose in the ghettos of Kingston, Jamaica, in the 1950s; males grow hair in long dreadlocks and wear woolen caps; use marijuana and listen to reggae music
youth subculture a minority youth culture whose distinctiveness depended largely on the social class and ethnic background of its members; often characterized by its adoption of a particular music genre
cult a system of religious beliefs and rituals; "devoted to the cultus of the Blessed Virgin"
jamaica an island in the West Indies to the south of Cuba and to the west of Haiti