Merry Christmas Ya Filthy Animals!

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Across
  1. 4. Number of horses pulling the sleigh in the song "Jingle Bells"
  2. 8. atop the tree, perhaps
  3. 9. Personification of winter who nips at your nose (two words)
  4. 10. The fifth reindeer, alphabetically
  5. 12. widely ridiculed Christmas dessert that is basically a meme
  6. 13. under the tree, perhaps
  7. 16. edible material that composes people and houses, perhaps with gumdrops and icing
  8. 17. Passage through which Santa enters and exits
Down
  1. 1. Boughs of this can be found decking the halls
  2. 2. Biblical birthplace of Jesus Christ
  3. 3. The Three Wise Men, alternatively
  4. 5. Intended destination of the McAllister family in Home Alone
  5. 6. May contain candy and toys or coal, depending upon one's behavior
  6. 7. Name of The Grinch's dog
  7. 11. King of Judea at the time of Jesus' birth
  8. 14. Final word of Griswold's rant; brand analgesic
  9. 15. The item atop Ralphie's list in A Christmas Story (two words)