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An infomercial usually hosted by an American. They usually appear to have just found this "life-changing" product and proclaim that it's the best thing anybody has ever seen, ever. A Yankvert also contains other members of the American public who have been paid to say how amazing the product is.
However, the product is usually terrible.
Person 1: "AWESOME! I've always needed one of those ab-toning belts! It looks like it'll actually buff me up! LOOK AT THAT RIPPED GUY!"
Person 2: "You know it's just a Yankvert right?"
Person 1: "Oh right, nevermind. I'll go and do some real exercise..."
by WeyyyTicTacs February 28, 2011
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