Related Clues:

• Student not involved in small cigar craze
• Furbys or fidget spinners, once
• 44-Downs, once
• Grapefruit diet, e.g
• Fidget spinners or slap bracelets, e.g
• Rod comes off main road with wild enthusiasm
• Bipolar phase
• More than passion
• It’s hot until it’s not
• Mood disorder
• It’ll pass
• Chopin, Vivaldi and Scarlatti initially in vogue
• Bottle flipping in the mid-2010s, e.g
• Tulip ___ (1630s Dutch market bubble)
• It's big for a little while