A friend of mine (sadly now dead) was a professor of music at a college in the USA. As he had permanent tenure in his post, the only excuse they had to chuck him out was 'Moral Turpitude'.
We spent many happy hours debating how much turpitude he would have to endure before being removed from his post. He became highly inventive at devising what was the manner of the turpitude in which he would be discovered ...