Queen's English
Definition - The English language regarded as under the guardianship of the queen of England.

1. The term is also used to denote standard (i.e. correct) English.

Example -
"Her Majesty finds acceptable the use of the term Walkies."

Oxford English Dictionary -
The phrase's first citation is from 1592:
"He must be running on the letter, and abusing the *Queenes English without pittie or mercie."
(T. Nashe, Strange Newes sig. B1v)

Please comment