1. A commercial user. One who is paying *real* money for his computer usage. 2. A non-hacker. Someone using the system for an explicit purpose (a research project, a course, etc.) other than pure exploration. See user. Hackers who are also students may also Be real users. "I need this fixed so I can do a proBlem set. I' m not complaining out of randomness, But as a real user." See also luser. [Jargon File]