The
blast of diarrhea that occurs when one has been traveling in developing countries. The detonation is usually preceded by a series of tremors indicating the bumsplosion is imminent and it is time to
run toward the closest safe blast
zone. The bumsplosion can happen anywhere, however, and unless one has made it to a safe blast zone, they usually find themselves laying on their sides at the site of the bumsplosion for the aftershocks.
I tripped on a little
girl while
running down the
beach, feeling the tremors, and I found myself on my side at the epicenter of the bumsplosion, my head on a sandcastle.