My definition for the Urban Dictionary for Sarah Palin's spectacular malaprop is that it is the reaction of a medical student at doing their first rectal exam (I remember being distinctly squirmish).
I gave Chris Tomlinson the best advice I know on how to keep your healthcare costs down, and he wrote 'Patients Should Shop for Lower Prices' http://www.houstonchronicle.com/business/columnists/tomlinson/article/Patients-should-shop-for-lower-health-care-bills-6730354.php