Definition of do something until or till one is blue in the face in English:

do something until (or till) one is blue in the face

informal Put all one’s efforts into doing something to no avail: she could talk to him until she was blue in the face, but he was just not hearing
More example sentences
  • Obviously, we could sit here and talk until we're blue in the face about how wonderfully they play the game.
  • I complained and complained and complained until I was blue in the face.
  • I could tell him till I was blue in the face that we had to leave, he does not understand, he is not from here.
See parent entry: blue

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