fast one
noun Informal.
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.
Origin of fast one
An Americanism dating back to 1920–25
Words nearby fast one
fast ice,
fast lane,
fast motion,
fast neutron,
fast of gedaliah,
fast one,
fast reactor,
fast rhythm,
fast smear,
fast talk,
fast telegram