This song popularized the word "fly," which means unusual and exceptional, particularly when it comes to fashion. "Super Fly" is thus even better, and very high praise. In the film, the main character Priest wears some super fly clothes and also supplies drugs that give that feeling.
"Fly" was especially big in the late '80s and early '90s: Will Smith asked about the "fly honies" on his show The Fresh Prince of Bel-Air
; the TV show In Living Color
had a dance troupe called "The Fly Girls" (Jennifer Lopez was one of them); and Tone-Loc asked the question, "Why you so fly?" in "Funky Cold Medina