don't sell me a dog
obsolete Don't deceive or lie to me. Don't sell me a dog, all right? I know how shell games like this work, and I have no intention of losing my money today. Young man, I know you've been secretly visiting my daughter, so don't sell me a dog. A: "I don't know a Rachelle." B: "Don't sell me a dog, I saw you with her!"
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