Did you catch her "I have two horses in every port" remark a few weeks ago?
The problem with really, really, REALLY straight, Victorian, repressed people, said Freud? Is that their respressed sexuality, being a major urge, eventually surfaces; in some kind of unconscious and unnatural way. In this case? As Freudian slips, unconscious double-entendres.
But if that is what she's like ... then what about HIM? Who knows what kind of Freudian slips/disasters we might see, in a Romney presidency.