What Humpty Dumpty Did is a popular nursery rhyme about an egg-shaped character who falls off a wall and is unable to be put back together again. The crossword solutions for the term 'What Humpty Dumpty Did' are 'FELL' (4 letters) and 'Satonawall' (10 letters). This phrase accurately describes the events of the nursery rhyme, as Humpty Dumpty FELL off a wall and was unable to be put back together again.