and don't you forget it

and don't you forget it!

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• Sometimes used without and.

• “and don t you forget it” in the Cambridge English Dictionary, Cambridge: Cambridge University Press.
• “and don t you forget it” in Longman Dictionary of Contemporary English, Longman.
• “don t you forget it” (US) / “don t you forget it” (UK) in Macmillan English Dictionary.