currently popular; in fashion; trendy
going in and out of style; changes in fashion
fashionable thing; popular thing; craze
fashionable thing; popular thing; craze
big craze; boom; popular trend; widespread contagion; large outbreak
buzzword; popular expression; vogue word or phrase
going in and out of style; changes in fashion
conjunctivitis; pink eye; epidemic keratoconjunctivitis
popular person; star; favourite; popular geisha