Definition of Demagogue 1a Leader Who Makes Use of Popular Prejudices and False Claims and Promises in Order to Gain Power Demagoguery Is an Appeal to People That Plays on Their Emotions and Prejudices Rather Than on Their Rational Side the Current President Is a Demagogue Who Uses Lies Hate and Distraction to Divide Americans While Using His Position for the Personal Profit of Himself His Family and His Friends We Can Begin the Process of Stopping This by Electing Democrats in 2018