Wrong Thing

Wrong Thing

(jargon)
A design, action, or decision that is clearly incorrect or inappropriate. Often capitalised; always emphasised in speech as if capitalised. The opposite of the Right Thing; more generally, anything that is not the Right Thing. In cases where "the good is the enemy of the best", the merely good - although good - is nevertheless the Wrong Thing. "In C, the default is for module-level declarations to be visible everywhere, rather than just within the module. This is clearly the Wrong Thing."
References in classic literature ?
She was persuaded to believe the engagement a wrong thing: indiscreet, improper, hardly capable of success, and not deserving it.
No matter what they do, it's the wrong thing. And no matter who they are, it's somebody they shouldn't be.
Whatever he said seemed to be the wrong thing. This evidently was one of the days on which Claire was not so sweet-tempered as on some other days.
Each one, a small but determined opposition to the order of things in general, is forever doing the wrong thing at the wrong time, in the wrong place and in the wrong way.
We must look to her one fault, and remember that she had done a wrong thing in consenting to the engagement, to bear that she should have been in such a state of punishment."
Part of it lives three minutes back, when I was sure that you loved me, and the other part--I find it difficult--I am likely to say the wrong thing."
You would say the wrong thing; to a certainty you would.
(of the South Carolina branch), a penniless beauty introduced to New York society by her cousin, the imprudent Medora Manson, who was always doing the wrong thing from the right motive.
His intuition told him it was the wrong thing to do, and he was glad that sheet and tiller kept his hands occupied and fended off temptation.
It was a wrong thing to trip a guest up with excess of hospitality and get him drunk.
I always make trouble by trying to help, and then letting out the wrong thing," sighed Rose, much depressed by her slip of the tongue.
"Liza, my dear, I was wrong...forgive me, my dear," I began, but she squeezed my hand in her fingers so tightly that I felt I was saying the wrong thing and stopped.