Dijkstra's jank

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Across
  1. 4. Sides of a shape
  2. 7. I love when balloons do this
  3. 11. gets pushed out of a line
  4. 12. You are either going left or right, never in between
  5. 14. I love jenga
  6. 15. Go anywhere you want, chaos reigns
  7. 17. I unlocked your lock
  8. 18. The thing British people love doing
  9. 19. This is what happens when you cut a queue
  10. 21. I will travel to the neighbours house from my house by seeing if it is quicker to go around the world
Down
  1. 1. Its quite heavy
  2. 2. British still love this but along a ...
  3. 3. I orient around stuff when programming
  4. 5. This goes no where
  5. 6. what happens when you go the wrong way down the motorway
  6. 8. It doesn't exist until I ... it
  7. 9. Stop pointing, its rude
  8. 10. What that one neighbour does
  9. 13. Lines joins stuff together
  10. 16. When you cut in a line
  11. 20. Another word for a functional point