like it's going out of style UK /ˌlaɪk ɪts ˈɡəʊɪŋ aʊt əv ˈstaɪl/US /ˌlaɪk ɪts ˈɡoʊɪŋ aʊt əv ˈstaɪl/ prepositional phrase1 •(informal) Of engaging in an activity: enthusiastically; to an excessive degree.Jason has been drinking like it’s going out of style.to spend money like it’s going out of style