get one over on (one)

(redirected from get one over on him)

get one over on (one)

To fool or deceive someone; to make someone the victim of a prank or hoax. I'm not as naïve as I once was, so you won't be getting one over on me again! The conman spotted Jane from a mile away, and quickly figured out how he would get one over on her.
See also: get, on, one, over