The F puzzle

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Across
  1. 1. mistaken in luxembourgish
  2. 2. swear word adjective
  3. 3. spanish cumulonimbus word
  4. 6. most genius of them all
  5. 7. protective, very sensitive object
  6. 8. most old people, for say
Down
  1. 1. dr suess. pickup line. LOL!
  2. 3. most bullied mario character
  3. 4. suspicious, in the ocean. LOL!
  4. 5. food storing place
  5. 7. chocolate, misunderstood swear word