Show off your love for your crazy sister with this eye-catching black T-shirt. The bold, white text features a humorous warning: "BACK OFF I HAVE A Crazy SISTER SHE HAS ANGER ISSUES AND A SERIOUS DISLIKE FOR Stupid People AND I'M NOT AFRAID TO USE HER." Made from comfortable fabric, this tee is perfect for casual wear. A fun gift for brothers who know exactly how their sisters operate and a great way to get a laugh and make a statement!