Related Clues:
- Flash mobs, once
- It's a fashion to speak of criminals
- Pet Rock or Hula Hoop
- Ice Bucket Challenge, in 2014
- Phone-booth stuffing, e.g
- The latest thing notorious 16 announced
- Fidget spinners, for one
- Vogue thing
- Briefly big thing
- Fidget spinners, in 2017
- Flagpole sitting, once
- The latest thing
- Hula hoops, say
- Fleeting fashion passion
- Love beads or the hula hoop