Medicine: serious business.
Today while working a shift in the emergency room I was pimped* on “throckmorton’s sign”. Having never heard of it, I was told to go home and look it up.
Throckmorton Sign: THE PENIS POINTS TO THE PATHOLOGY
Example (courtesy http://www.radswiki.net):

“The penis points to an enchondroma in a patient with Maffucci syndrome”