Fast one

noun, slang

Definitions

Noun
  1. 1
    A trick or deception. slang

    "The salesman tricked me into paying twice for the same thing. That was a fast one!"

  2. 2
    a cunning or deceitful action or device wordnet
  3. 3
    Used other than figuratively or idiomatically: see fast, one.

    "If I bought a car I'd want a fast one."

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