after meat, mustard

after meat, mustard

A phrase emphasizing that something has come too late to be useful (like mustard after meat has already been eaten). A: "Here, I finished my project, Mr. Smith!" B: "Ah, after meat, mustard. I've already submitted your final grade, and it's too late to change it."
See also: after, mustard
Farlex Dictionary of Idioms.
See also:
  • I tell you
  • (as) sure as eggs (is eggs)
  • young once
  • you're only young once
  • fair's fair
  • a penny for them
  • eggs is eggs
  • great minds
  • great minds think alike
  • fair do's