Twerking, the rump-busting up-and-down dance move long beloved on America's hip¹-hop scene, has officially gone mainstream². It's got the English dictionary entry to prove it.

 

Britain's Oxford³ Dictionaries said the rapid-fire gyrations（旋转） employed by US pop starlet Miley Cyrus to bounce her way to the top of the charts had become increasingly visible in the past 12 months and would be added to its publications under the entry: "Twerk, verb."

 

Although Cyrus's eye-popping moves at Monday's MTV Video Music Awards may have been many viewers' first introduction to the practice, Oxford Dictionaries' Katherine Connor Martin said "twerking" was some two decades old.

 

"There are many theories about the origin of this word, and since it arose in oral use, we may never know the answer for sure," Martin said. "We think the most likely theory is that it is an alteration⁴ of work, because that word has a history of being used in similar ways, with dancers being encouraged to 'work it.' The 't' could be a result of blending with another word such as twist or twitch⁵."

 

"Twerk" will be added to the dictionary as part of its quarterly update, which includes words such as "selfie," the word typically used to describe pouty⁶ smartphone self-portraits, "digital detox" for time spent away from Facebook and Twitter, and "Bitcoin," for the nationless electronic currency whose gyrations have also caught the world's eye.

 

Oxford Dictionaries is responsible for a range of reference works, including Oxford Dictionaries Online, which focuses on modern usage, and the historically-focused Oxford English Dictionary, which probably won't be adding "twerk" to its venerable pages any time soon.

 

The definition: "Twerk, v.: dance to popular music in a sexually provocative⁷ manner involving thrusting hip movements and a low, squatting⁸ stance."

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