Related Clues:

• ''In'' thing, for a time
• Hula hoop or mood ring
• Suffix with ''Beatle'' or ''Wrestle''
• It's in one era and out the other?
• Mania that doesn't last too long
• Troll dolls, years ago
• Fidget spinners, apparently
• Rage that comes and goes
• Short-duration craze
• In vogue, with "the"
• In vogue, with 'the'
• Anima run riot in obsession
• Crazy enthusiasm
• 'Pokemon Go,' e.g
• Trending thing