SkateSh-t.

Skateboarding is the act of riding and performing tricks using a skateboard. A person who skateboards is most often referred to as a skateboarder, or colloquially within the skateboarding community, a skater.

Skateboarding can be a recreational activity, an art form, a job, or a method of transportation. American Sports Data found that there were 18.5 million skateboarders in the world. 85 percent of skateboarders polled who had used a board in the last year were under the age of 18, and 74 percent were male. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2002 report by

Skateboarding is relatively modern. A key skateboarding maneuver, the Ollie, was developed in the late 1970s by Alan "Ollie" Gelfand as a half-pipe maneuver. Freestyle skateboarder Rodney Mullen was the first to take it to flat ground and later invented the kickflip and its variations. 

--Wikipedia.