{n. phr.} The fashionable or popular thing to do, the fashionable or most popular artist or form of art at a given time. * /After "The Graduate" Dustin Hoffman was all the rage in the movies./ * /It was all the thing in the late sixties to smoke pot and demonstrate against the war in Vietnam./
THE IN THING
Meaning of THE IN THING in English
Dictionary of English idioms . Словарь английских идиом. 2012