Related Clues:

• See 30 Across
• Passing trend
• Hula hoop or pet rock
• It goes in and out quickly
• Vertigo
• Something one may be as happy as
• Pet Rock, e.g.
• Sky or mud follower
• Early riser
• Mood rings or the Macarena, once
• Meadow songbird
• Carefree escapade
• Exemplar of happiness
• Pet rocks, e.g.
• Ground-nesting songbird