superfly adjective 1noun 2forms 3 adjective1 •(slang) Excellent, very cool.Yeah, there she was, like disco superfly — 1997 noun2 •An ostentatious, self-confident person, especially a black drug dealer.Oh, see them passing / See how they're dancing to the superfly — 1973 •A fly (insect) with remarkable properties, such as resistance to insecticide. formssuperflies · more superfly · most superfly