Eat one's heart out (Short video)

The phrase of the day is: "Eat one's heart out"

• If somebody eats his heart out, they suffer from excessive longing for someone or something.
  [ --- I could have stayed in London eating my heart out for you! --- ]
  
• If you say "eat your heart out" followed by the name of a famous person, you are joking that you are even better than that person.
  [ --- Look at how well I dance now—Gene Kelly, eat your heart out! --- ]