Were did the saying Gordon bennett come from?

The saying "Gordon Bennett!" is believed to have originated from the 19th-century British sportsman James Gordon Bennett Jr., who was known for his extravagant lifestyle and penchant for wild and reckless activities, including automobile racing and ballooning. The expression became a euphemism for surprise or exasperation, embodying the shock often associated with Bennett's antics. It reflects a broader trend of using colorful figures from society to convey strong emotions in everyday language.