( informal ) used to compare two things and say that one of them is better :
Look at him dance! Eat your heart out, Fred Astaire (= he dances even better than Fred Astaire) .
( informal ) used to compare two things and say that one of them is better :
Look at him dance! Eat your heart out, Fred Astaire (= he dances even better than Fred Astaire) .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005