Related Clues:

• Passing thing
• Passing fancy
• The Macarena, e.g.
• Passing rage
• It's in for a while
• Extreme enthusiasm
• Major fad
• __ diet
• Temporary trend
• Sudoku, for one
• Fleeting fashion
• Short-lived preoccupation
• Hauls into court
• Short-lived craze
• It's here today, gone tomorrow