Related Clues:

• Rah-rah sort
• Worshipper
• Fanatical sort
• Like the proverbial cucumber
• Spying device
• Socially adept, in slang
• One in the cheering section
• 'Groovy'
• Like laid-back jazz
• Not exactly friendly
• "Sounds good"
• Close to cold
• Fanatical follower
• Diabolical one
• Noisy fan or truffle-hunting hog, e.g.