If pouring rubbing alcohol on your chest and lighting it on fire sounds like a bad idea, you're on the right track. A 15-year-old boy in Kentucky had to learn the hard way, however, after he attempted a stunt called the "fire challenge" that's been popping up on sites like Facebook and YouTube. "I just poured alcohol on it, and lit it, and it just automatically went and burst," the teenager, who suffered second-degree burns, tells WKYT-TV. (snip) "Unbearable," the teen says. "Literally after it got put out it was already blistering."