Related Clues:

• Beatle suffix
• Beatle follower?
• Looniness
• Beyond enthusiasm
• Furor
• Enthusiasm gone too far
• Wildness
• Excessive interest
• Excessively intense enthusiasm
• Beatles phenomenon, e.g.
• Cacoëthes
• Intense obsession
• Reaction to the Beatles, once
• Something caused by the Beatles or Pokemon
• It's all the rage