From parallel waves: Scoot Back then each dancer turns individually to face adjacent dancer and Slide Thru. Finishes in various formations depending on the sexes facing for the Slide Thru. (If started from waves with men on the ends and girls in the center, finishes in parallel two faced lines.)
Keith Eddinger 1973
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.