Rice Rocket Motorcycle Shop, Brampton, Ontario. likes · 3 talking about this. Motorcycle repair shop working on all makes & models. We do perform. noun. Offensive Slang. A fast light motorcycle imported from Japan. A car, usually an Asian import, that has been modified for speed or customized for a flashy. This Slang page is designed to explain what the meaning of rice - rocket is. any sport motorcycle or replica of a race motorcycle, usually Japanese in origin. Also called, Rice machine, rice rocket, rice grinder, or ricer. Rice burner is a pejorative, used as early as the s, originally describing Japanese motorcycles, then later applied to Japanese cars, and eventually to Asian-made motorcycles and automobiles in general. is recognized as the world's most powerful production motorcycle. Complex Says: This rocket will knock the teeth into the back of your head. So called because rice is a staple food in Japan, and rockets are known for (slang, ethnic slur, humorous) A Japanese high-performance sport motorcycle.