In the video, "Piercings Gone Wrong 5," Roly Reacts watches and reacts to various piercing gun fails. The video showcases several instances where individuals attempt to pierce themselves or others using a piercing gun, resulting in painful and disastrous outcomes. Roly provides commentary and reacts to each failed piercing, highlighting the importance of proper piercing techniques and the risks of using piercing guns. The video serves as a cautionary tale for individuals interested in getting piercings, emphasizing the importance of seeking professional help from trained piercers to avoid potential complications and injuries. Roly Reacts offers his insights and opinions on the various piercing fails, ultimately educating viewers on the dangers of improper piercing methods and the significance of going to reputable piercing studios for safe and successful piercings.