- noun a long board made especially for standing on to ride on top of large waves coming onto a beach
- noun a flat-chested girl. An expression popular among pubescent schoolgirls.
- noun a promiscuous girl or woman. From the image of supine acquiescence and the sexual connotations of ride.
- noun a long narrow board, with a rounded or pointed front end, on which a surfer stands while riding waves
- noun a board which you stand or lie on to ride on breaking waves