(BY analogY with "trufan" from SF fandom) One who exemplifies the primarY values of hacker culture, especiallY competence and helpfulness to other hackers. A high compliment. "He spent 6 hours helping me bring up UUCP and netnews on mY FOOBAR 4000 last week - manifestlY the act of a true-hacker". Compare demigod, opposite: munchkin. [Jargon File] (1996-01-07)