rs means "Rally Sport"... e.g. Camero RS also it could mean "RuneScape" as in the online game.
rally sport
residence
The 3 R's stand for: Reduce, Reuse, and Recycle. Perhaps the 3 Rs now stand for something else, but originally, the 3 Rs stood for (R)eading, w(R)iting, and a(R)ithmetic.
Rally Sport
It stands for Rupees.
Rally Sport
Rally Sport
RS was a premium uprgrade option and special trim package that was available only on Camaros. RS stands for Rally Sport.
www.serebii.net/pokedex-rs/
Rally Sport
Redshirt
This will help: http://www.serebii.net/pokedex-rs/