crouch rocket
n.— «Dozens of drivers in Newport News found themselves stunned Saturday afternoon as a motorcycle raced toward them at a a high rate of speed. Al Winall was one of those drivers. “All of a sudden I looked up and one of what I call crouch rockets coming up the wrong side of Jefferson Avenue,” he said.» —“Biker Goes Wrong Way Through Traffic To Flee Police” by Lisa Godley WTKR-TV (Hampton Roads, Virginia) May 28, 2006. (source: Double-Tongued Dictionary)
Further reading
A Virginia listener says that often when she’d leave the house, her grandfather would tell her Remember you belong to the land of the blue hen’s chicken. What in the world did that mean? The feisty blue hen is the state bird of Delaware...
“What has a head like a cat, feet like a cat, a tail like a cat, but isn’t a cat?” Answer: a kitten! A 1948 children’s joke book has lots of these to share with kids. Plus: an easy explanation for the difference between...
In Kentucky, certain types of shiny, sporty motorcycles are often called “crotch rockets”.
Yes, it’s very common. I recorded “crouch rocket” because it’s a rarer variant.