Word Wonder #6

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Across
  1. 5. big flying lizard
  2. 9. I'm so confused
  3. 11. rhymes with Pancho
  4. 12. pirates
  5. 16. 1,2,3
  6. 17. flexing
  7. 19. small horned mammal
  8. 21. BOOM
Down
  1. 1. upgrade with a better, newer one
  2. 2. the study of the thing you're doing
  3. 3. Homer Simpson
  4. 4. umbrella bridge
  5. 6. there once was a man from Nantucket
  6. 7. ____ Heffley
  7. 8. >:(
  8. 10. shrink
  9. 13. Dwight Schrute
  10. 14. pharaoh's coffin
  11. 15. you must be very __________ to build a lego set
  12. 18. evil purple goo
  13. 20. is an app like texting but better