Fig. in current fashion; being a current fad. A new dance called the "floppy disc" is all the rage.Wearing a rope instead of a belt was all the rage in those days.
very fashionable or stylish DVDs are all the rage, and several movie companies have started releasing titles in this format.Flared slacks and low heels are the latest rage in women's fashion.
Also, all the thing. The current or latest fashion, with the implication that it will be short-lived, as in In the 1940s the lindy-hop was all the rage. The use of rage reflects the transfer of an angry passion to an enthusiastic one; thing is vaguer. [Late 1700s] These terms are heard less often today than the synonym the thing.