Wiktionary
useful idiots
n. (useful idiot English)
Usage examples of "useful idiots".
Horris and the bird were idiots, but useful idiots, and the Gorse intended to keep them just long enough to complete its plan for Landover's destruction.
He was one of Lenin's 'useful idiots' who, to begin with, could be made to serve the cause unwittingly.
Now all you useful idiots are trying to push us into a war against a nation that poses no threat to us.
Not the munitions makers Or politicians, oh, we used them as puppets, marionettes, useful idiots, but we, the superb hired city architects, set out to build and then destroy our pets, our buildings, our cities!