Twerk it out: Raunchy dance now in dictionary
The move, which the 20-year-old US singer and actress showed off with the help of singer Robin Thicke, has been included in the latest revision of Oxford Dictionaries Online.
New technology has also provided a large number of new words and phrases for the site, including āselfieā for a camera-phone self-portrait, ādigital detoxā for time spent offline, and the shopping phrase āclick and collectā.
