don't let the doorknob hit you where the dog should have bit you

don't let the doorknob hit you where the dog should have bit you

colloquial Leave here quickly and directly; don't linger on your way out the door. Primarily heard in US. I couldn't be happier that you're leaving the firm—you were a nuisance here anyway. Don't let the doorknob hit you where the dog should have bit you! Get out of my house, you lying cheat—and don't let the doorknob it you where the dog should have bit you! A: "Fine, then I'm leaving!" B: "You're a real jerk, you know that? Don't let the doorknob hit you where the dog should have bit you!"

See also: bit, dog, doorknob, have, hit, let, should

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