n.
Dance variation of the two-step in which couples swing, balance, and twirl in standardized patterns to syncopated music in 4 4 time.
It originated in the U.S. in the mid 1930s and became internationally popular in the 1940s. It originally included acrobatic lifts and swings, but it became modified in ballroom versions. Its step patterns varied and could include the lindy hop and the jive.