A fork of Rural Dictionary
an unconscious and uncontrollable state of hype resulting from listening to the melodies and chorus of Travis Scott and Playboi Carti's hit song "FE!N."
Friend 1: *plays FE!N*
Friend 2: yo bro, please don't play that. I don't want to enter FEIN MODE.
Friend 1: what are you talking about?
Friend 2: FEIN, FEIN, FEIN, FEIN, FEIN, FEIN, FEIN, FEIN!!