The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any of a variety of automobiles, especially American coupes from the 1960s and early 1970s, that are modified to look and perform like race cars and equipped with large, powerful V-8 engines that allow for quick acceleration to high speeds; but still designed for travel on regular highways. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.