pull a fast one

pull a fast one (informal)

to successfully deceive someone. I paid him for six bottles of champagne, but he pulled a fast one on me and gave me six bottles of cheap wine. (often + on)

See also: fast, pull

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pull a fast one (on someone)

to deceive or trick someone. Most people would never suspect that you'd even think of pulling a fast one on them.

See also: fast, pull