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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.

After so many slow starts, the Lions must have craved a fast one - and they made it happen.

From BBC • Jul. 12, 2025

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

From Los Angeles Times • Nov. 13, 2024

“Some companies are trying to pull a fast one by shrinking the products little by little and hoping you won't notice,” he said.

From Salon • Aug. 26, 2024

Even at No. 5, with less room for avant-garde maneuvering than their normal lower pick, the Seahawks pulled a fast one by making a selection few saw coming.

From Seattle Times • Apr. 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