Related Clues:

• It's all the rage
• Temporary excitement
• Passing craze
• Beanie Babies or the Hula-Hoop, e.g.
• Unreasonable enthusiasm
• It's temporarily in
• Mode of the moment
• The Hula Hoop, once
• Wacky WallWalker, for one
• Pokémon, for one
• Pet Rock, famously
• Passing thing
• Insanity
• Passing fancy
• The Macarena, e.g.