Hornswoggle is a verb that means to cheat or deceive. 

Despite its colorful sound, our word of the day’s origin is unknown. We do know however that it’s been around since the early 19th century and it’s not a thing anyone would want to be accused of. 

I can’t believe I trusted Terry enough to buy a car from him. I knew he'd be guilty of cheating other customers, but I never thought he’d hornswoggle me — a guy he’d known since the sixth grade.