Possible Clues:

• Response to a polar vortex
• 'It's so-o-o cold!'
• "It's f-f-freezing!"
• "I need a sweater!"
• "Cold outside today!"
• Shaker's cry
• ''It's c-c-c-old!''
• Caroler's sound, at times
• 'What the fuck happened to fall?'
• Shiverer's pronouncement