A man recently took a trip with his buddies to Oregon's Mount Hood. Because no cabin outing is complete without alcohol, he carried with him several types of suds, including a six-pack of 10 Barrel Brewing Company's seasonal fruit beer, "Swill."
Things were going fine when the peace was rocked by a small detonation. The man explains what happened next in a thread on Beer Advocate titled, amazingly, "Exploding Swill":