I remember many years ago a lady gained the nick-name "Chock". She had started up a Partenavia (With pax!!) and forgotten to take the chocks out.
She got out with engines running, removed the offending chocks, upon which the Aircraft rolled smoothly over her foot, breaking it! While the aircraft with 5 pob rolled away, our poor lady writhed on the tarmac in agony. Luckily a passenger had enough knowledge to stop the thing.
All ends well, she went on to a very successful airline career as "one" of QFs first lady pilots (B 767 Captain now I believe).
.....Those that have, and those that will!