Top Definition
A Japanese SNS website. Sorta like a Japanese version of myspace or facebook. One can only become a user via invitation from another mixi user.

It has been a problem where certain jocks will post about how bad they were, such as stealing motorcycles, which will then attract hundreds of angry users and start up a flame war. This will eventually lead to the exposure of the user, giving out his real name and his past crime to his school/employer, which is equal to a death sentence in Japan.
Dude, could you invite me to mixi?
by oldman February 17, 2008
A pixi fiddler

Also somebody who claims to work for the post office but is NOT a postman

Also a name for a person who is very lazy and has an unhealthy obsession with elves and stuff
That damned mixi has spent the last two weeks playing warcraft instead of sending me my IPAQ!!!
by nemesis August 05, 2004
A word associated with incompetance within the workplace. Also a derogatory term for an individual who is notorious for losing things. Unsurprisingly, has gained common usage in relation to the Post Office.
"Honestly, I can't remember the last time Dominoes delivered my pizza hot. They always go to the other end of the street! Honestly, they are a right shower of mixis'" Vera Duckworth (Coronation Street)
by DumbGrunt August 05, 2004

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