When the rumbling started I sprinted down the hallway and made it to the bathroom just in time for the Four Horsemen of the Apocalypse to stampede from my backside, laying waste to my home's septic system and my will to live.
A proper stalactite grows downward, but these younger stalactites are rebellious and have little respect for tradition. We've caught them growing sideways, diagonally, I saw one just yesterday that grew down at first but then went straight back up again into the rock ceiling.