ITSCHRIIIIIIIIIISTMASSSSSSSS :) HOHOHO

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Across
  1. 3. to feel joy or delight
  2. 6. to move in a jerky of bumpy fashion
  3. 7. to find out using mathematics
  4. 10. something that blocks the way
  5. 11. foolish or stupid
Down
  1. 1. one chosen to be in place of one's absence
  2. 2. deserving trust, dependable
  3. 4. busy, working steadily
  4. 5. to take by force
  5. 8. fairly large in size or extent
  6. 9. to be made up of
  7. 12. to wrinkle and shrink