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Synonyms

fast one

American  

noun

Informal.
  1. a shrewd action, especially when unscrupulous or dishonest; an unfair trick, deceitful practice, dishonest dealing, etc..

    He pulled a fast one on me by paying me with a worthless check.


Etymology

Origin of fast one

An Americanism dating back to 1920–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"People think they are ready for it but there is a real chance of things going crazy that weekend. Everything could collapse very fast," one MP says.

From BBC • Apr. 22, 2026

Indeed, McMahon seemed irked at the thought that Raw Story was trying to pull a fast one.

From Los Angeles Times • Nov. 13, 2024

Well, if one were to guess, it would be that Mike Johnson is pulling a fast one:

From Salon • Oct. 30, 2023

Earlier this year, while Musk captured the world’s attention in the aftermath of his contentious Twitter takeover, Tesla Motors quietly pulled a fast one.

From Slate • Sep. 27, 2023

He’s got his audience thinking less and less about whether he’s pulling a fast one and more about the marvelous thing they’re about to see.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

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