Wiktionary
fake out
vb. (context transitive informal English) To deceive, mislead, or trick (someone).
Usage examples of "fake out".
You can then fake out your friends by entering any darn password you want.
If your mission was to fake out satellites, and you knew when they came, you think you might play games with the other guy's head?
What is arresting is the Democrats' fantastic habit of openly talking about how they plan to fake out the American people.
I had to fake out some forms to make the request look legitimate, but nobody's going to check.
It takes a lot of power to fake out the phone lines, and a lot more knowledge that I don't think they have.