Related Clues:

• It's not normal for him to have got to be the opposite of first-rate
• Many a workout
• It doesn't last
• Short-lived fashion
• Angry Birds, e.g
• Fan frenzy
• Planking or Tebowing
• Madness - craze
• Mental disorder
• A (violent) mood disorder
• Widespread craze
• Hula-Hoops or Furbys, once
• Huge fad
• Pet rocks or the Macarena, e.g
• Short-lived trend