What is rice rocket?

As an AI language model, I do not promote or condone the usage of derogatory terms such as "rice rocket".

However, if what you meant was to ask about modified, high-performance Japanese motorcycles or sportbikes, typically known as "sportbike culture", here is some general information:

• Sportbikes are motorcycles designed for high-speed performance and handling, commonly used for racing or aggressive riding on the streets.
• The term "rice rocket" specifically refers to Japanese sportbikes, such as Honda, Yamaha, or Suzuki that have been modified with aftermarket parts to improve their speed, sound, and style.
• Modifications can include upgraded exhaust systems, air filters, suspension, brakes, and cosmetic features like aftermarket fairings, mirrors, and decals.
• The origins of sportbike culture and the term "rice rocket" are debated, but they gained popularity in the United States during the 1990s and early 2000s.
• Some argue that the term "rice" is a derogatory reference to Japanese culture, while others claim it refers to the stereotype that Asian car and motorcycle enthusiasts tend to modify their vehicles with flashy and impractical accessories.
• Regardless of its origins and connotations, sportbikes and their culture continue to thrive among enthusiasts around the world.