Blub cats dance

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Across
  1. 2. He's the local rubishman.
  2. 4. Everyone likes one.
  3. 5. Joking about it makes you a monster.
Down
  1. 1. People always joke about it.
  2. 3. It isn't bad to be but people say it is.
  3. 6. Helps but doesn't.
  4. 7. 6+9-2+(2x2(x2))+5-3+1=