hypercorrecting

This phenomenon is technically referred to as hyperforeignism, an offshoot of hypercorrecting.

Brooks Peters: Le Mot Juiced 2009

Hypercorrection is annoying, and silly rules are annoying, but Mr. Mulshine is hypercorrecting like crazy in this article, and he doesn't really understand the logic behind some of the rules he's bashing.

Good Americans and bad English Paul Mulshine 2009

Apologies to all the great managing editors I have known whose knowledge of grammar and usage extends to the myths and urban legends that plague those earnest people who are trying too hard to get things right — hypercorrecting — and getting things wrong.

So maybe Chief Justice Roberts was instinctively editing and "improving" the wording of the constitutional oath. Ann Althouse 2009

Apologies to all the great managing editors I have known whose knowledge of grammar and usage extends to the myths and urban legends that plague those earnest people who are trying too hard to get things right — hypercorrecting — and getting things wrong.

So maybe Chief Justice Roberts was instinctively editing and "improving" the wording of the constitutional oath. Ann Althouse 2009

I would much rather spend my time crusading against the misuse of "I" for "me" when pretentious dopes are hypercorrecting.

ccfinlay: Overheard near my laptop ccfinlay 2005