The only thing I've ever had explode in the cabin was a bag of peanut-butter filled pretzel nuggets. I reached down to get the it out of my bag and it had blown up so tight that it popped loudly the moment I put in on my tray table. My seat-mate shrieked, the FA came running and I had instant visions of a on-board air marshall with his shoe on my neck and my hands handcuffed behind my back. To this day, I always open a bag of snacks before the plane takes off. It would probably never happen again, but .....