Sentence:  <WSD>Twerking</WSD>, as it is known in the hip-hop community, is a hard-hitting, rump-shaking dance move that celebrities including Beyonce and Miley Cyrus have been known to bust out, but it has also gotten a group of San Diego high school students suspended. 
Meaning of the word marked with <WSD> tags:  To dance in a sexually suggestive manner, often involving rapid movement.