Crotch-rocket - Idioms by The Free Dictionary
slang A motorcycle, often specifically a Japanese sportbike. Some dude on a crotch rocket just shot past me doing about 100. Of course I wouldn't get a crotch rocket like that—I'm a Harley man.
n. a motorcycle. (For some, only foreign motorcycles are so called.) I can buy a nice car for less than you paid for that crotch-rocket.
References in periodicals archive
Meanwhile, plaintiffs counsel also used defendants extensive discovery to reveal the truth that decedent was not speeding on a crotch-rocket
or participating in motorcycle gang activity.
In no way are they associated with the crotch-rocket
adrenal in junkies that Mr Banks also describes.