Related Clues:

• JPEG relative
• Its popularity is short-lived
• Passing interest
• Pet rocks, once
• Hula hoop or coonskin cap
• Alternative to 94 Down
• Short-lived rage
• One might be animated
• Streaking, once
• "In" thing, for now
• Temporary thing
• It's not hot for long
• It goes in one era and out the other?
• In thing, for now
• Beanie Babies, once