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Difference between Put the black on someone and Put up a black

put the black on soneone—(UK sl.) engage in blackmail:

  • “I’ll put him where I want him to be,” he repeated. “You’re going to put the ‘black’ on him?” she said, her lips curling.

put up a black—(UK sl.) make a blunder:

  • One day she put up a black…. She had fried our salmon in batter.