Arr, Stevie! Here be the loot!

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Across
  1. 3. They think, therefore they...
  2. 5. We've all been singing them thanks to Tik Tok
  3. 7. Commander of the Avengers or on the ship, you are the...
Down
  1. 1. A fearless sea-thief, or streaming's greatest enemy
  2. 2. Treasure, or peach, depending on who you ask
  3. 4. Better than whiskey, Blackbeard says
  4. 5. No, not the fandom definition
  5. 6. Lemon content alert! Or is it the lack thereof?
  6. 8. Depending on the context, can be pleasurable or walking aid