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A title or name applied to a person who takes his or her application of stupidity, malice, or simply being an asshole to such overblown and exaggerated levels that it is almost awe-inspiring.
I cannot believe that guy cut me off, ran up over the curb, and then verbally assaulted that old lady for trying to avoid being ran over! He must be Fuckbag McClure!

For he is Fuckbag McClure! The Qwisatz Haderach of assholes!
by Exxos April 30, 2010