This reminds me of something.

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Across
  1. 3. Greek city known for its soldiers
  2. 5. Like Big Ben's clock
  3. 7. [___] = Funny
  4. 10. This crossword
  5. 11. Gaming slang meaning to teleport on top of something
Down
  1. 1. The shape of y=x^2
  2. 2. Not a diamond
  3. 3. Rapper featured on the Dr. Dre song "Nuthin' but a 'G' Thang"
  4. 4. Make bigger
  5. 6. Trig function
  6. 8. The 'T' in T.G.I.F.
  7. 9. Slightly open