Twerk (twerking), is a sexually charged dance in which a female partner shakes her buttocks often against the male partner.
This word/style of dancing made headlines this week after Miley Cyrus performed the move at the MTV Video Music Awards(VMA).
It is now being added to the Oxford dictionary online,also words like “selfie“,”bitcoin” and “emoji” are being added.
The oxford dictionary online suggests that “twerk” probably originated in the 1990s as “an alteration of work”