Don't be an idiom, do your puzzle!

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Across
  1. 1. heterograph of Lancelot's occupation (Galahad and Gawain too... ok fine.. Batman is a dark one)
  2. 6. heterograph of what baseball players and burglars do
  3. 10. they do it in Pamplona (that's in Spain)
  4. 12. not a sheepish story
  5. 14. heterograph of what you do to cheese over your pasta
  6. 15. oceanic heterograph
  7. 16. don't put this before your horse
  8. 17. heterograph of what Riso's skin is
  9. 21. heterograph of what students need to learn to do better in English class
  10. 22. I doubt you'll get this one
  11. 23. like an old vampire
  12. 24. spelled the same sounds different
  13. 29. heterograph of the color of my face if I were to hang upside down and be angry
  14. 30. meow, woof, splash
  15. 32. heterograph of angry fuzzy honey eater
  16. 33. I'll take a barrel of them
  17. 34. and you might get shot in the foot
  18. 36. heterograph of what Riso doesn't have
Down
  1. 2. it'll mangle your nose if you get too close
  2. 3. sounds the same spelled the same
  3. 4. heterograph of the country that Sophocles, Oedipus and Homer came from
  4. 5. what, you're a dentist?
  5. 7. cut me some please!It's a Friday!
  6. 8. spelled differently
  7. 9. you have a lot of these if you are clumsy
  8. 11. keep it stiff if you don't want to cry
  9. 13. breeze killer!
  10. 16. might have your tongue
  11. 18. heterograph of Bambi
  12. 19. you'll go hungry if you spill them
  13. 20. what he escaped from with your tongue
  14. 25. don't switch it in the middle of the stream!
  15. 26. who would do that to a bush?
  16. 27. heterograph of what you have to keep tight while riding a horse
  17. 28. heterograph of the opposite of wrong
  18. 31. a culturally specific expression
  19. 35. I heard that