definition mundane
(jargon). mundane-Someone outside some group that is implicit from the context, such as the computer industry or science fiction fandom. The implication is that those in the group are special and those outside are just ordinary.
a. 1. Of or pertaining to the world; worldly, as contrasted with. ; earthly; terrestrial; as, the mundane sphere; mundane concerns. The defilement of mundane passions.