He more than likely picked the word up at a 'RAT fundraiser. He uses it to hide his very limited vocabulary.
http://www.foxnews.com/story/0,2933,592136,00.html
sorry to do this, but it is informative about what the libs are up to with this leftwing LE... http://www.democraticunderground.com/discuss/duboard.php?az=view_all&address=433x587704 ...admins, is this OK?