Never too old to rock

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Across
  1. 3. "I got moves like ... "
  2. 5. A feeling of pleasure as you think about the past
  3. 7. One would bury their head in the sand because of that
  4. 8. The sound that a rock dropped into the water makes
  5. 9. To be very good at something
Down
  1. 1. A male students' society in a university or collage
  2. 2. Television presenters read off of it.
  3. 3. "Under chin"
  4. 4. One and only Rocketman
  5. 6. Polite "Among Us"