“Sit Down, You’re Rockin’ the Boat” is a song written by Frank Loesser and published in 1950. The song was introduced in the Broadway musical, Guys and Dolls, which opened at the 46th Street Theatre on November 24, 1950. In the context of the show, gambler Nicely-Nicely Johnson invents a dream about being saved from hell in order to bring together the members of the prayer meeting. It was performed on stage by Stubby Kaye who later reprised his role as Nicely-Nicely Johnson in the 1953 London production, as well as the 1955 film version of the play.The song is generally considered to be the 11 o’clock number in Guys and Dolls.