Superman: Metaphor, deprecated. Superman in iA lingo is an obvious liar. “Superman” means that the person in question has just dished out a grotesque fabrication to impress you. “He learned Objective C in one night. A week later he had the #1 text editor in the app store. Like Superman.” Dates back to a superficial acquaintance whose grandfather owned a 50-foot tree he would climb every day and… Well, let’s leave it at that.