The phrase "was whipping boy" refers to a person who is being blamed, punished or criticized for someone else's mistake or wrongdoing. There are several synonyms for "whipping boy," including "scapegoat," "patsy," "fall guy," "guinea pig," "sin-eater," and "target." A scapegoat is someone who takes the blame for others' actions. A patsy is one who is easily tricked into taking the fall for someone else. A fall guy is someone who is set up to take the blame for a crime or wrongdoing. A guinea pig is an experimental subject, often used as a test for others. A sin-eater is one who takes on the burden of sins or guilt of others. A target is someone who is singled out for punishment or criticism.