Occurs when you take a pair of jeans just out of the dryer, and put them on. The Hot metal button painfully singes the surface of your skin hence the name Button Burn.
Dude I was late for a dinner date, and had no clean pair of jeans. I tossed a pair in the dryer to freshen them up I put them on on the way out the door and got a bad case of Button Burn.
You grab a cigarette and smoke it. When you are fucking someone, cum inside first. Use that cigarette in their ass to burn the inside. After that, the person who was cummed in has to fart, creating a large fire-typed explosion in their asshole.