Ugly Sweater Day

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Across
  1. 2. Sound Santa makes
  2. 4. Covered with ice crystals
  3. 6. Cool weather
  4. 7. Full of holiday spirit
  5. 8. A celebration event
  6. 9. To shake due to cold
  7. 10. A type of tree
Down
  1. 1. Full of happiness
  2. 3. The 12th month of the year
  3. 5. Knitted clothing worn in winter