Top definition
A racing motorcycle such as a Yamaha R1 or Suzuki Hyabusa. They are called buck fifty rollers because they roll past 150 mph.
Those were some fresh buck fifty rollers going by on the highway!
by lumberJay December 05, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug