A man sits on a toilet. "So...I've invented this activity where one can explore the vast cavern systems of the world, yet it has no name. What the hell am I going to do?" Just then, a turd hits the toilet. The sound this created echoed through the bathroom, bouncing off the subway tile that lined the walls, and into the man's soul. The man's eyes widened as he slowly whispered, "Spelunking." He smiled, then shouted, "SPELUNKING!"