Related Clues:

• Something lacking staying power
• Temporarily in thing
• CB radios, in the '70s
• Fleeting obsession
• "A Midsummer Night's ___"
• Mood rings or the Macarena
• Goldfish swallowing in the 1920s, e.g.
• A passing liking or fashion
• Temporary vogue or craze
• A craze, usually passing
• Passing vogue or fashion
• Reverie or nightmare
• A craze or current vogue
• Nocturnal fantasy
• A passing fashion