Flutter can refer to: Flutter (electronics and communication), any rapid variation of signal parameters Aeroelastic flutter, a rapid self-feeding motion, potentially destructive, excited by aerodynamic forces, in aircraft structures, control surfaces and bridge engineering In medicine The term "heart flutter" can mean: Atrial flutter Ventricular flutter In musicFlutter-tonguing, a tonguing techniqueFlutter, an album and a composition by Otomo Yoshihide's New Jazz Quintet"Flutter", a song by Bono… (More on Flutter)