yarrr, ye scurvy boy-king, halt ye whinin'

This rhyme teaches youngsters that eggs should not sit on walls, that horses do not possess the dexterity with their legs to reassemble an egg and that it would be a brilliant strategy for an invading army to put an egg on an enemy wall, let it have a great fall and create a distraction for all the king's men and all the kings horses so the invading army can more easily invade the castle.

- Possible meanings for "Humpty-Dumpty" from here