Definition of bad guy
1 : the villain in a story : baddie played the bad guy in the movie
2 : someone who is likened to the villain in a story: such asa : a criminal Designed to keep guns out of the hands of bad guys and children … — Popular Scienceb : a military enemy … a decision that owes more to parochial conflicts within the Armed Forces than to doing the best job of surveilling bad guys. — Stuart F. Brownc : someone who deserves to be blamed or criticized for causing a bad situation Meanwhile, it's the environmentalists who are now portrayed as the bad guys, hiring lots of lawyers, consorting with congressmen … — Eric Altermand : a person who treats other people harshly or strictly : a person who says or does unpopular things Parenting isn't just about having beautiful kids and being busy. It's about dealing with problems, and your success as a parent depends on your willingness to be the bad guy. If you aren't willing to be the bad guy, you shouldn't be a parent. — Roy Bragg
First Known Use of bad guy
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