Hump ‧ ty Dump ‧ ty /ˌhʌmpti ˈdʌmpti/ BrE AmE
a character in a ↑ nursery rhyme (=an old song or poem for young children) and in the book ↑ Through the Looking-Glass by Lewis ↑ Carroll , who is like a large egg in shape: Humpty Dumpty sat on a wall,/Humpty Dumpty had a great fall./All the King's horses and all the King's men/Couldn't put Humpty together again.