What’s a “Mug Whore” ?
Sorry to be obtuse.
Several days ago it was learned that the MacCain campaign was offering discounts on items from the official MacCain Campaign Store to folks who wrote positive things about the senator at various blogs and websites. While I would consider this good marketing if they were selling denture cream or geritol, that they're now using this ploy to make it look as if their boy has wide-spread support is both detestable and ridiculously burlesque.
Thus was born the term for those shilling for sharp discounts on official John MacCain products by writing nice things about the candidate "Mug-Whore".