Professor Higgins at the University of Sydney was giving a lecture on 'Involuntary Muscle Contraction' to the first year medical students.
This was not an exciting subject and the professor decided to lighten up the mood.
He pointed to a young woman in the front row and asked, 'Do you know what your asshole is doing while you're having an orgasm?'
She replied, 'Probably golfing with his buddies.?
