Related Clues:

• Flu symptom
• Laid-back
• Easygoing
• 'Relax, bro!'
• Make cooler
• Nip in the air
• 'Cool it!'
• Allergy symptom
• "The Big ___" (1983)
• "Take it easy!"
• Bout of the shivers
• Cold start
• Shiver's cause
• Put in the fridge
• Show signs of a cold