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2.
shortened form of acedemics, used when talking about classes
pete: "yo, how did u do on your report card?"
johnny: "terrible, i failed all of my demics"
by brandon February 12, 2004
 
1.
Not fit for purpose.
Applies to both people and objects.
That car of yours is demic - it's always breaking down.
by Richard January 09, 2005