• Definition for "blue jack"
    • blue vitriol; sulphate of copper.
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  • Sentence for "blue jack"
    • Yo have you seen Schmoolie Jefferson…
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  • Urban Dictionary for "blue jack"
    • one of African lineage and Jewish…
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blue jack definition

  • adjective:
    • blue vitriol; sulphate of copper.
  • noun:
    • blue vitriol; sulphate of copper.
    • A species of pine, Quercus cinerea, a tiny tree with hard, powerful, and hefty lumber, on the coasts of the south usa.
    • little salmon of north Pacific coasts and also the Great Lakes
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