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1.
a) The act of over selling something with intense hype and not deliver in the claims made previous.

b) The act of product overselling with false claims.
"yo man, i bought the game you told me to get and not a DAMN thing was true about what he does in it. Next time i catch you Molyneuxing I'm going to punch you in the eye!!!"
by Skeltah January 07, 2010