Rocker refers to the curvature on the bottom of a surfboard, skimboard or bodyboard. When looking at the board from the side, a board with a lot of curvature is said to have "a lot of rocker". Rocker can also be concentrated in the nose or tail of the board, in which case it is said to have "nose rocker" or "tail rocker".
Example Usage of Rocker
jbluver3705: Just took "What Type of Person Should You Date? " and got: Rocker/Skater! Try it ➔ http://bit.ly/cOy3A
rockroger: "Hung Up" na guitarra eh mto Rocker!! A Tia me lembrow o Hole.
jajahammond: asikan lu kali ya pke gitar ,Rocker abis RT @aryavdt: baru liat profil picnya @jajahammond ternyata asik abis.. gue yg ga update ato dia yg