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1 definition by Andiie

 
1.
A word derived from fail.

Simply put, it means that the person it was directed to is fail, and also a retard hence failtard.

It is usually used when someone says something that is utter fail and is also retarded.
Person One: OMFGBBQROX, did you see that?

Person Two: *sigh* Fucking failtard.
by Andiie January 12, 2010